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BQ25970, BQ25971
SLUSD72B – NOVEMBER 2017 – REVISED APRIL 2020
BQ25970, BQ25971 I2C Controlled Single Cell High Efficiency 8-A Switched Cap Fast Chargers With ADC
1 Features
•1 97% Efficient power stage for 8-A fast charge • Patent pending switched cap charger architecture
optimized for 50% duty cycle – Input
voltage is 2x battery
voltage (3.
5 V to
4.
65 V) – Output current is 2x of input current (up to
4.
5 A) – Reduces power loss across the cable • Integrated programmable protection features for safe operation – Input over-
voltage protection (BUS_OVP) – Input over-current protection (BUS_OCP) with
adjusta...