Update Time:2025-07-11

IP2721 Datasheet: Specifications, Schematic, Features & Alternative

IP2721 is a USB Type-C Power Delivery IC offering fast charging, adjustable voltage, and built-in protection for efficient power management.

Components & Parts

IP2721 Datasheet: Specifications, Schematic, Features & Alternative

The ip2721 is a special USB Type-C Power Delivery protocol IC. Designers use the ip2721 to give fast charging and easy power sharing for USB Type-C ports. This device works with PD 2.0 and PD 3.0 protocols. These help it charge well and find devices by itself. The ip2721 is often used in power management systems and trigger boards. Many engineers pick the ip2721 for USB Type-C solutions because it is reliable and charges well. The ip2721 also helps control charging in things like smartphones, wireless charging pads, power banks, VR headsets, and UAVs. These uses get steady power, good control, and better battery life. The ip2721 helps with power management by making sure charging is safe and works well for many USB Type-C devices.

Common Applications of IP2721 in USB Type-C PD Solutions:

ApplicationKey Benefits and Usage Contexts
Power BanksGood energy use, supports many power types, steady power, longer use time
SmartphonesFast charging, better battery care, less charging time, stops overheating
Wireless ChargingExact power control, smooth power move, keeps battery healthy, steady charging
VR HeadsetsSteady power, less overheating, longer play time
UAVsSmart power use, saves energy, keeps flight steady, flies farther

Key Takeaways

  • The IP2721 is a USB Type-C Power Delivery chip. It is reliable and supports fast, safe charging. It gives fixed voltage choices of 5V, 15V, and 20V.

  • It does not need a microcontroller to work. This makes it easy to use in small devices. You can use it in power banks, smartphones, wireless chargers, VR headsets, and drones.

  • The chip manages power well by changing voltage and current. It keeps devices safe from getting too hot or having too much current.

  • Engineers can add the IP2721 easily because it has a 16-pin design. It uses standard connections for stable and smooth power delivery.

  • The IP2721 is good for fixed voltage projects and trigger boards. But it is not the best for advanced or programmable USB-C Power Delivery needs.

Specifications

The ip2721 is a good choice for engineers. It is used when they need a USB Type-C Power Delivery protocol IC. Its features make it work well for power management and fast charging. This part talks about the main electrical, physical, and working features of the ip2721.

Electrical Specs

The ip2721 can handle power with a wide input voltage. It lets you change the output voltage. It works with USB Power Delivery 2.0 and 3.0. These are common standards for fast charging and safe power use. The chip can find devices by itself using its CC1 and CC2 pins. This makes it easier for designers to set up.

The ip2721 lets you pick different voltages like 5V, 15V, and 20V. It keeps data safe with built-in hardware CRC. It also has a soft start to help power turn on smoothly.

Here is a table with the main electrical specs:

ParameterRating/Range
Input Voltage Range4.5 V to 23 V
Output Voltage Range0.923 V to 18 V (adjustable)
Output CurrentUp to 2 A
Maximum Input Voltage5.5 V
Maximum Output Current3.0 A
Output VoltageAdjustable

The ip2721 can give about 16.5 W of power in most cases. You get this by multiplying the highest current (3.0 A) by the highest voltage (5.5 V). The real power depends on what voltage you pick for your project.

The ip2721 supports USB Power Delivery 2.0 and 3.0. These let the chip talk to other USB Type-C devices. It can set power levels and keep charging safe. The chip can find devices and set power by itself. This helps it work with many devices and charging needs.

Physical Specs

The ip2721 comes in a package with 16 pins. Each pin does something special, like power, ground, CC pins, or control. Some pins are called NC or reserved. Designers should not connect these pins when making the board.

FeatureDescription
Pin Count16
Package TypeNot specified (commonly SOP/QFN)
Pin FunctionsPower, Ground, CC1, CC2, Control, NC, Reserved

The 16-pin setup changes how engineers design the PCB. They must connect NMOS transistors, capacitors, and USB Type-C lines the right way. NC and reserved pins also change the board’s shape and how hard it is to make. Good pin use helps the ip2721 fit well in power systems.

Operating Range

The ip2721 works well in many temperatures. It can run from -40°C to 120°C. This means it can be used outside in the cold or inside where it is warm.

The big temperature range makes the ip2721 good for electronics, machines, and outdoor gear. It keeps working even if the weather changes.

These specs show the ip2721 is good for new USB Type-C power systems. Its electrical ratings, protocol support, and strong design help engineers make safe and smart charging.

IP2721 Features

The ip2721 is special because it has many smart features. Many engineers pick this chip for projects that need safe charging. It helps make sure devices get power in a smart way. The chip works with lots of new devices. It lets designers build systems that are safe and work well.

Fast Charging

The ip2721 helps charge devices quickly. It uses smart power talks to give the right energy. This keeps batteries safe and makes charging faster. The chip can tell what device is plugged into the usb type-c port. It changes voltage and current to charge at the best speed. That is why many power banks and phones use the ip2721.

The ip2721 gives fast charging by changing voltage levels. It can handle high current without problems. This makes it good for people who want fast and safe charging.

Some main fast charging features are:

  • Finds devices by itself for safe power

  • Lets you change voltage and current

  • Stops too much current and overheating

  • Gives high efficiency charging

Protocol Support

The ip2721 works with the newest usb type-c Power Delivery rules. It supports PD 2.0 and PD 3.0. These rules help the chip talk to other devices and set charging rules. The chip can be a power source or a power sink. This helps engineers use the ip2721 in many products.

Here is a table with protocol support:

Protocol VersionSupported FeaturesBenefit
PD 2.0Basic power talksSafe and steady charging
PD 3.0Advanced power talksFaster and smarter charging

The ip2721 also works in decoy modules and trigger boards. These tools help test and control charging in labs and factories. The chip’s protocol support makes it easy to use in many power projects.

Efficiency

The ip2721 is very efficient. It uses smart circuits to waste less energy when charging. This means less heat and more power goes to the device. The ip2721 keeps efficiency high even if the load changes. This helps batteries last longer and keeps devices cool.

The ip2721’s efficiency features are:

  • Uses little power when waiting

  • Reacts fast to load changes

  • Keeps output steady in different cases

  • Supports high efficiency charging

Devices with the ip2721 stay cooler and last longer. High efficiency means less wasted energy and lower costs.

Engineers use the ip2721 in many things, like trigger boards and decoy modules. These need steady and efficient charging. The chip’s features make it a great choice for new power systems.

Schematic & Pinout

Schematic

A typical application schematic for the ip2721 shows how engineers connect the chip to manage USB Type-C power delivery. The ip2721 uses an external NMOS transistor to control the main power rail. The VBUSG pin connects to the gate of this transistor. The VIN pin connects to the drain of the NMOS and also to a 1µF capacitor that goes to ground. The VBUS pin connects to the source of the NMOS. The CC1 and CC2 pins link directly to the USB Type-C port’s configuration channels. The SEL pin lets users pick the maximum voltage for power delivery. NC pins remain unconnected.

A well-designed schematic helps the ip2721 manage voltage negotiation and soft start, keeping devices safe during charging.

Pin NameTypical Connection / Function
VBUSGGate of external NMOS transistor (controls power rail)
VINDrain of NMOS, plus 1µF capacitor to ground
VBUSSource of NMOS
SELSets PD request voltage (20V, 15V, or 5V)
CC1USB Type-C port CC1 line
CC2USB Type-C port CC2 line
NC PinsNo connection (floating)

Pinout

The ip2721 has 16 pins. Each pin has a clear job in the circuit. VBUSG controls the NMOS gate. VIN is the power input and needs a capacitor for stability. VBUS connects to the NMOS source. The SEL pin chooses the output voltage. CC1 and CC2 handle communication with the USB Type-C port. GND is the ground reference. NC and reserved pins stay floating.

Pin No.Pin NameFunction and Standard Connection
1VBUSGControls NMOS gate for power rail
2VINPower input, 1µF capacitor to ground
3, 4NCNo connection
5GNDGround reference
6, 7, 8TST1/2/3Reserved, no connection
9, 10NCNo connection
11SELVoltage selection (20V, 15V, 5V)
12CC2USB Type-C CC2 line
13CC1USB Type-C CC1 line
14, 15NCNo connection
16VBUSSource of NMOS transistor

Integration

When adding the ip2721 to a new design, engineers follow some key steps. They connect CC1 and CC2 to the USB Type-C port. VBUSG links to the NMOS gate, while VIN connects to the NMOS drain with a 1µF capacitor to ground. VBUS connects to the NMOS source. The SEL pin sets the highest voltage for power delivery. NC and reserved pins stay floating for safety. The ip2721 supports a wide voltage range and works in many temperatures. It uses VBUSG to manage the NMOS transistor, which helps with soft start and safe voltage changes.

Tip: Always check voltage and temperature limits when designing with the ip2721. This keeps the circuit safe and reliable.

IP2721 Applications

Power Management

The ip2721 is important in new power management systems. Many engineers use this chip when they need safe and steady charging. The ip2721 helps devices use less energy and stay cool. It can handle different power needs and keeps the output steady, even with heavy use. The table below lists some ways the ip2721 is used in power management:

Application CategoryRole of IP2721 in Power ManagementBenefits Provided by IP2721
Power BanksEfficient energy conversion and management of different power profilesCompact design, stable output under heavy load, longer usage
SmartphonesBattery management and fast charging optimizationFaster charging, reduced overheating, improved battery life
Wireless Charging StationsPrecise power control for smooth power transfer at varying speedsEfficient charging, battery protection, reliable performance
VR HeadsetsStable and consistent power supply during extended useReduced overheating, no sudden power drops, longer sessions
UAVsAdvanced power management for efficient energy use and flight stabilityExtended flight endurance, improved reliability

The ip2721 helps these devices charge safely and work well. Its features make it a good pick for engineers who want strong power management.

Trigger Boards

Trigger boards use the ip2721 to make USB-C Power Delivery easy. These boards often have lights and safety circuits. The ip2721 picks and sets fixed voltages, like 5 VDC or 20 VDC, from USB-C power sources. Users can change jumpers to pick the voltage they need. The boards are small and have holes for easy use in many projects. The ip2721 lets the board handle USB-C PD without needing hard software. This makes trigger boards with the ip2721 good for powering devices or replacing lab power supplies. Many open-source designs use the ip2721 because it works well and is easy to add.

Engineers like the ip2721 in trigger boards because it is simple to set up and lets them pick voltages easily.

Consumer Devices

Many consumer devices use the ip2721 for safe and quick charging. Phones, wireless charging pads, VR headsets, and UAVs all use this chip’s features. The ip2721 helps batteries last longer and keeps devices cool. It protects devices from too much current and getting too hot. These features make the ip2721 a top choice for products that need safe charging and good energy use. The chip’s design lets it fit in small devices without losing power.

The ip2721 is popular because it gives high efficiency, strong power management, and flexible charging. These reasons show why it is used in so many products.

Alternatives

Comparable ICs

Many engineers want other choices besides the ip2721 for USB-C Power Delivery. Some companies make ICs with similar or better features. The table below shows some top options:

IC ModelVendorKey FeaturesUSB PD VersionTypical Applications
TPS65988Texas InstrumentsDual-role power, built-in MCU, PPS supportUSB PD 3.0/3.1Smartphones, adapters
FUSB302BON SemiconductorPD PHY, needs outside MCU, PPS supportUSB PD 3.0Smartphones, adapters
CYPD3177InfineonARM MCU, 100W, dual-role powerUSB PD 3.0Cars, smart devices
STUSB4500STMicroelectronicsUSB PD controller ICUSB PD 3.0Many USB-C PD designs
TPS25750Texas InstrumentsBuck-boost, made for carsUSB PD 3.0Cars, factories
EZ-PD CCG3PAInfineonBuilt-in MCU, USB PD 3.0 supportUSB PD 3.0USB-C PD uses
R9A02G011Renesas240W EPR, 60V can handleUSB PD 3.1Drones, power tools, laptops
FUSB307BON SemiconductorUSB PD controller, PPS supportUSB PD 3.0Smartphones, adapters
CH224KWCHCheap, 100W PD, very integratedUSB PD 3.0/2.0Wireless chargers, cables

Other common choices are:

  • FUSB302 (ON Semiconductor)

  • STUSB4500 (STMicroelectronics)

  • Cypress EZ-PD BCR (Infineon)

These ICs work with USB-C PD and are used in many products.

Pros & Cons

Every USB-C PD controller has good and bad points. The ip2721 is easy to use and small. It does not need a microcontroller, so it fits in tight spaces. The ip2721 is best for fixed voltage and simple power delivery. Other chips, like the STUSB4500, have more features but need more room and parts.

Featureip2721STUSB4500 (Example Alternative)
Setup ComplexitySimple, hardware-basedMore complex, needs more parts
Voltage SelectionFixed or preset (5V, 15V, 20V)Flexible, software configurable
Protocol SupportPD 2.0/3.0, basic negotiationFull PD 3.0, advanced features
MCU RequirementNoSometimes yes
SizeCompactLarger (about 140mm²)
Application SuitabilitySimple, legacy, test boardsAdvanced, flexible designs

Note: The ip2721 does not have PPS or changeable voltage. It is good for fixed voltage but not for advanced USB-C PD projects.

Selection Tips

Engineers should think about a few things before picking the ip2721 or another USB-C PD IC:

  • Check if the project needs fixed or changing voltage. The ip2721 is for fixed voltage.

  • For PPS or changing voltage, pick a chip with more protocol support.

  • Look at the size and how easy it is to add. The ip2721 is simple for small boards.

  • Check protection features. The ip2721 has basic overvoltage and overcurrent protection.

  • Make sure it works with charging heads. Some chips, like the ip2721, may not work with every charger.

  • Think about upgrades. The ip2721 cannot be changed or updated after you put it in.

Selection Criteriaip2721 Features and Considerations
Protocol Support & CompatibilityWorks with USB PD 2.0/3.0, uses hardware CRC and BMC coding for safe communication
Power ManagementControls VBUS with outside NMOS, gives exact voltage
Voltage Configuration OptionsOffers 5V, 15V, 20V (or 5V, 9V, 12V for MAX12 version)
Power TransitionSoft start stops too much current at once
Operating & Storage TemperatureWorks from -40°C to 120°C
Pin Configuration & Integration16 pins, easy to use in small spaces
Application SuitabilityUsed in smartphones, power banks, wireless charging, VR headsets, UAVs
Package & Thermal CharacteristicsGood for putting in and handling heat

The ip2721 is great for simple USB-C PD trigger boards, dc-dc step-down modules, and high-efficiency step-down designs. For more advanced or programmable needs, engineers may want a more flexible chip.

The ip2721 is a simple and trusted choice for USB-C Power Delivery. It can find devices by itself and set the right power. The chip can change voltage levels and manage power in a smart way. Many engineers use the ip2721 in trigger boards and power tools. This is because it has built-in PD hardware and gives smooth power changes.

Key Features of IP2721Description
Automatic DetectionFinds USB devices and sets power needs
Flexible Voltage ConfigurationSupports 5V, 15V, or 20V output
Smart Power ManagementAdjusts voltage and current for safe charging

Engineers like the ip2721 when they want easy voltage control. If they need more advanced features, they look at the datasheet or check other options.

FAQ

What is the main function of the IP2721?

The IP2721 controls USB Type-C Power Delivery. It lets devices charge fast and safe. The chip changes voltage and current for each device.

Can the IP2721 support multiple voltage outputs?

Yes. The IP2721 gives 5V, 15V, or 20V output. Users pick the voltage with the SEL pin. This helps it work for many charging needs.

Does the IP2721 need a microcontroller to work?

No. The IP2721 works alone without a microcontroller. It does power talks and finds devices by itself. This makes it simple for easy designs.

Where do engineers use the IP2721 most often?

Engineers use the IP2721 in power banks, smartphones, wireless chargers, VR headsets, and UAVs. It helps these devices charge safely and well.

What protection features does the IP2721 offer?

The IP2721 has overvoltage and overcurrent protection. It also has a soft start. These keep devices safe while charging.

 

 

 

 


 

Written by Jack Elliott from AIChipLink.

 

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IP2721 Datasheet: Specifications, Schematic, Features & Alternative - AIChipLink