BQ25758SRRVR

I<sup>2</sup>C controlled 32V bi-directional buck-boost controller with USB PD EPR and PPS suppor

Manufacturer：

Luminary Micro/Texas Instruments

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Manufacturer NO：

BQ25758SRRVR

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Product SN：

10499-BQ25758SRRVR

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Package/Case：

VQFN (RRV)-36

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Manufacturer Lead Time：

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Datasheet:

BQ25758SRRVR Datasheet PDF

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Detailed Descripition：

IINDPM (Input current limit), Input OVP, Integrated ADC, USB C/PD compatible, VINDPM (Input voltage threshold to maximize adaptor power)

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Product Application Field：None

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Customer Reference

Quantity

Product price

Qty

Unit Price

Ext Price

1000

$1.79

$1790

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Documents & Media

Datasheets PDF BQ25758SRRVR Datasheet PDF

Product Description

BQ25758S is a bidirectional switched-mode buck-boost controller. The device offers high-efficiency power conversion over a wide voltage range with output CC-CV control. The device integrates all the loop compensation for the buck-boost converter, thereby providing a high density solution with ease of use. In reverse mode, the device draws power from the output supply and regulates the input terminal voltage with an added constant current loop for protection.

Besides the I2C host-controlled mode, the device also supports programmable hardware limits. Input current, and output current regulation targets can be set with single resistor on the IIN, and IOUT pins, respectively. By default, the device is programmed to provide 5V output, and the target output voltage can be adjusted via the VOUT_REG register bits.

Wide input voltage operating range: 4.4V to 26V
Synchronous buck boost DC/DC controller with NFET drivers
- Adjustable switching frequency from 200kHz to 600kHz
- Optional synchronization to external clock
- Integrated loop compensation with soft start
- Selectable PFM operation for light load efficiency improvement
- Optional gate driver supply input for optimized efficiency
Support USB-PD Standard Power Range (SPR) in forward and reverse power direction
- Adjustable input and output voltage regulation from 3.3V to 26V with 20mV/step
- Adjustable input and output current regulation (RAC_SNS, ROUT_SNS) from 400mA to 20A with 50mA/step using 5mΩ resistor
Bypass mode for highest efficiency with VOUT = VAC
Buck-only mode
High accuracy
- ±2% output voltage regulation
- ±3% output current regulation
- ±2% input voltage 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
High safety integration
- Adjustable input overvoltage and undervoltage protection
- Output Overvoltage and overcurrent protection
- Thermal shutdown
Status outputs
- Adapter present status (PG)
- Switcher Operation status (STAT)
Package
- 36-pin 5mm × 6mm QFN