Texas Instruments UCC256615QDDBRQ1
Manufacturer No:
UCC256615QDDBRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive, high density, Wide VIN and VOUT LLC controller with IPPC
Quantity:
In Stock :7570
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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UCC256615QDDBRQ1 Information
Texas Instruments UCC256615QDDBRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UCC256615QDDBRQ1.
- Type
- Parameter
- Rating
- Automotive
- Topology
- Half bridge, Half-bridge, LLC, LLC full-bridge, LLC half-bridge
- Vin (max) (V)
- 18.5
- Vin (min) (V)
- 9
- Control mode
- Current
- Features
- AEC Q100, AEC-Q100 Automotive Qual, Automotive qualified, Extended power range, High frequency, High-voltage startup, Light load efficiency, Low audible noise, Overcurrent protection, Overtemperature protection, Overvoltage protection, PFC ON/OFF signal, Secondary-side regulated, Soft start, Wide VIN, Wide VOUT, X-cap discharge, Zero voltage switching
- Operating temperature range (°C)
- -40 to 125
- Package
- SOIC (DDB)
- Pins
- 14
- Size
- 59.4 mm² 9.9 x 6
- Type
- Parameter
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments UCC256615QDDBRQ1.
Data sheet:
Product overview:
Functional safety information:
The UCC25661x-Q1 family is a high-frequency LLC controller that implements a input-power proportional control (IPPC) scheme, along with enhanced light-load management and multiple protection features.
IPPC widens the control range of the LLC converter and simplifies the design of wide input applications, such as high voltage to low voltage (HV-LV) redundant auxiliary, key-off, and bias isolated power supplies. IPPC simplifies the design of wide output applications, such as light electric vehicle battery chargers (scooters, mopeds, golf carts, and fork lifts).
The UCC25661x-Q1 family has enhanced light-load management that improves efficiency and minimizes audible noise. To minimize standby power in charger applications, the UCC25661x-Q1 family directly disables the PFC controller when operating in burst mode.
The automatic capacitive region avoidance scheme, along with the adaptive soft start with a reverse recovery avoidance scheme, establishes that the device never works in a mode where there is a potential to damage the FETs. Because of the automatic capacitive region avoidance scheme, the controller works best with a prebiased load.
The UCC25661x-Q1 family comes with robust protection for designing a reliable power supply. The UCC25661x-Q1 family has options supporting various features, see details in the Device Comparison table.
- Full-load switching frequency: 50kHz to 750kHz
- IPPC control enables wide input and output LLC (WLLC) operation
- Enhanced light load management:
- High-frequency pulse skip for improved light load efficiency
- Low-frequency burst for low standby power
- Audible frequency range skip for reduced audible noise
- Integrated PFC on/off control signal to help further reduce standby power (UCC256614-Q1)
- Internal resonant-capacitor voltage synthesizer for enhanced signal reliability and high start-up frequency support
- Zero current switching (ZCS) avoidance to eliminate capacitive region operation
- Adaptive soft start with minimized inrush current
- Integrated high-voltage start-up (UCC256612-Q1 and UCC256614-Q1)
- Integrated gate driver: +0.6A and –1.2A
- Complete protections
- Overcurrent protection (OCP): 50ns, cycle-by-cycle current limit
- Overvoltage protection (OVP), internal and external overtemperature protection (OTP)
- Input and VCCP UVLO with internal 19V VCCP Clamp
- Independently configured OCP and overload protection (OLP) (UCC256612-Q1, UCC256613-Q1, and UCC256614-Q1)
- SOIC-14 package with removed pins for high-voltage clearance
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