SC89890H
SC89890H is Synchronous 5A Buck Charger manufactured by SOUTHCHIP.
SOUTHCHIP SEMICONDUCTOR
SC89890H DATASHEET
High Efficiency, Synchronous 5A Buck Charger for 1 cell Li-ion Battery with NVDC Power Path Management
1 DESCRIPTION
2 Features
The SC89890H is a 1.5MHz highly integrated switch-mode
- Integrated Synchronous Buck Charger buck charger for 1 cell Li-ion battery applications and NVDC
- Integrated NVDC Power Path Management system power path management, which separate the system
- Charging Management (Trickle Charge / Constant load and charge current, also the system can power up with deep depletion battery. System can get the power from VBUS,
Current Charge / Constant Voltage Charge / Charge
VBAT or both. It supports 3.9-13.5V input voltage, up to 5A
Termination) charging current and provide battery charge management
- Integrated I2C interface functions including trickle charge, constant current charge, constant voltage charge, charge termination, auto recharge
- I2C Programmable Constant Charge Current, ±5% and charging status indication.
@1.5A-5A accuracy
The SC89890H supports flexible charge current option, and the
- I2C Programmable Constant Voltage,±0.5% accuracy user can program the current freely through external resistor
- I2C Programmable Charge Safety Timer for different applications. With the charger management
- Support OTG discharging function and I2C Programmable function, the IC can be used to charge 1 cell Li-ion battery.
Output Voltage: 3.9V~5.4V with up 2.4A current
The SC89890H supports USB OTG with up to 2.4A output with
- Support Shipping mode, Low battery leakage current PFM/PWM mode. Meanwhile, the SC89890H supports USB Input and High Voltage fast charge Adapters, auto detect USB
- Charge Status Indication
BC1.2, SDP, CDP, DCP.
- Integrated ADC for System Monitor
The SC89890H supports input current and voltage limit, input
- Resistance pensation (IRP) from Charger under voltage and over voltage protections, internal cycle by
Output to Cell Terminal and ICO Support cycle...