Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Data Sheet
BQ25758: I2C Controlled, Bidirectional
Buck-Boost Controller with Wide Voltage Range
1 Features
- Wide input voltage operating range: 4.2V to 60V
- 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 (PFM or forced PWM option)
- Optional gate driver supply input for
optimized efficiency
- Support
USB-PD Extended Power Range (EPR) in forward and reverse power direction
- Adjustable input and output voltage regulation from 3.3V to 60V 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
