Texas Instruments BQ25751RRVR
Manufacturer No:
BQ25751RRVR
Manufacturer:
Texas Instruments
Package:
Description:
Stand-alone or I²C controlled, 70V, buck-boost, lead acid battery charge controller with power path
Quantity:
In Stock :8766
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Shipped from：HK Warehouse
Expected Shipping：Fri, May 29 - Sat, May 30, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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BQ25751RRVR Information
Texas Instruments BQ25751RRVR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments BQ25751RRVR.
- Type
- Parameter
- Vin (min) (V)
- 4.2
- Vin (max) (V)
- 70
- Absolute max Vin (max) (V)
- 85
- Charge current (max) (A)
- 20
- Control topology
- Switch-Mode Buck-boost
- Number of series cells
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
- Cell chemistry
- Lead Acid
- Rating
- Catalog
- Features
- Adjustable switching frequency, BAT temp thermistor monitoring (JEITA profile), Bidirectional, IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Integrated LDO, Power Path, SYNC Pin, USB C/PD compatible, VINDPM (Input voltage threshold to maximize adaptor power)
- Battery charge voltage (min) (V)
- 0
- Type
- Parameter
- Battery charge voltage (max) (V)
- 70
- Control interface
- I2C
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 125
- Package
- VQFN (RRV)
- Pins
- 36
- Size
- 30 mm² 6 x 5
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments BQ25751RRVR.
Data sheet:
EVM User's guide:
The BQ25751 is a wide input voltage, switched-mode buck-boost battery charge controller with direct power path control. The device offers high-efficiency battery charging over a wide voltage range with bulk, float and absorption charging for lead-acid batteries. The device integrates all the loop compensation for the buck-boost converter, thereby providing a high density solution with ease of use.
Besides the I2C host-controlled charging mode, the device also supports standalone charging mode via resistor programmable limits. Input current, charge current and charge voltage regulation targets can be set via the ILIM_HIZ, ICHG and FB pins, respectively.
- Wide input voltage operating range: 4.4V to 70V
- Wide battery voltage operating range: up-to 70V
- 6V up-to 48V lead-acid charging profile with bulk, absorb and float voltage charging phases
- Charge voltage temperature compensation
- Synchronous buck charge controller with NFET drivers
- Adjustable switching frequency from 200kHz to 600kHz
- Optional synchronization to external clock
- Integrated loop compensation with soft start
- Optional gate driver supply input for optimized efficiency
- Bidirectional converter operation (Reverse Mode) supporting USB-PD Extended Power Range (EPR)
- Adjustable input voltage (VAC) regulation from 3.3V to 65V with 20mV/step
- Adjustable input current regulation (RAC_SNS) from 400mA to 20A with 50mA/step using 2mΩ resistor
- Direct power path management for highest efficiency to power system
- System power selection from adapter or battery
- Dynamic power management
- All N-channel FET drivers
- High accuracy
- ±0.5% charge voltage regulation
- ±3% charge current regulation
- ±3% input current regulation
- I2C controlled for optimal system performance with resistor-programmable option
- Hardware adjustable input and output current limits
- Integrated 16-bit ADC for voltage, current, and temperature monitoring
- Low battery quiescent current
- High safety integration
- Adjustable input overvoltage and undervoltage protection
- Battery Overvoltage and overcurrent protection
- Charging safety timer in CV Mode
- Thermal shutdown
- Status outputs
- Adapter present status (PG)
- Charger Operation status
- Package
- 36-pin 6mm × 5mm QFN
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
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