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PB6158B is a synchronous buck-boost charger controller which can support reverse discharging operation. It can support up to 36V battery voltage, so can be used to effectively manage the charging process for 1~6 cell Li-ion batteries no matter adapter voltage is higher, lower or equal to battery voltage. When a system needs to generate an output from the battery, PB6158B can also discharge the cells and delivers desired output up to 36V.
Through its I2C interface, user can set the charging / discharging mode easily, and program the charging current, charging voltage, reserve output voltage, current limits, switching frequency and other parameters flexibly. Besides that, PB6158B supports QC2.0/3.0 charging handshake. It also integrates 10-bit ADC, so user can read the VBUS / VBAT voltage and current in real time, simplifying the system design.
PB6158B supports internal current limit, over voltage protection, output short protection and over temperature protections to ensure safety under abnormal conditions.
The PB6158B is in a 32 pin 4x4 QFN package.
l Buck-Boost Battery Charger for 1 to 6 Cell Batteries
l Charging Management including Trickle Charge, CC Charge, CV Charge and Charge Termination
l Buck-Boost Reverse Discharging Mode
l Wide VBAT Range: 2.7 V to 36 V, 40V sustainable
l Wide VBUS Range: 2.7 V to 36 V, 40V sustainable
l I2C Programmable Charging Current and Voltage
l I2C Programmable Discharging Output Voltage
l I2C Programmable Input / Output Current Limit
l I2C Programmable Switching Frequency
l High Efficiency Buck-Boost Conversion
l DP/DM Handshake for QC 2.0/3.0 Charging
l 10-bit ADC Resources
l Charging Status Indication
l Event Detections, including Automatic Adapter Insert and Automatic Load Insert Detection
l Power Path Control
l Under Voltage Protection, Over Voltage Protection, Over Current Protection, Short Circuit Protection and Thermal Shutdown Protection
l QFN-32 Package
Power Bank with Quick Charge Function
USB Power Delivery
Type C Hub
Industrial Power Supplies
Typical Application Circuit