PL62100 高效率、同步双向Buck-Boost充电器，集成快速充电协议 - 锂电池充电芯片高耐压小电流充电芯片线性充电开关充电多节充电降压型充电升压型充电芯片

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产品名称：PL62100 高效率、同步双向Buck-Boost充电器，集成快速充电协议
型号： PL62100
产片介绍：双向同步升降压快充芯片，集成 PD3 1、QC 等快充协议，支持 1-5 串锂电，耐压最高 32V，兼容四路 USB 口。内置 12 位 DAC 精准程控电流电压，配备 I2C、VMONP 监测引脚与 MCU 供电 LDO，集成多重保护，开关频率可选 150 300kHz，QFN5×5-48 封装，适配充电宝、便携储能等快充设备。

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1 Features

 Bi-directional buck-boost charging and discharging with PD3.1, QC3.0, AFC, SCP, FCP, BC1.2 protocols integrated

 Support source role, sink role and DRP role for PD3.1

 Charging management, including trickle charging, CC charging, CV charging and charging termination functions

 Wide VBUS and VBAT voltage operation range up to 32V

 Support up to 4 ports (C1 port, C2 port, B port, A port) plug-in and plug-out detection

 Support over current, over voltage protection for each port.

 1 Cell to 5 Cells battery charge management

 Support both 4.2V and 3.5V battery charging

 Programmable switching frequency 150Khz and 300Khz

 12-bit DAC converter to guarantee programmable current limit with10mA/step

 12-bit DAC converter to guarantee programmable output voltage with 5mV/step

 Programmable cable drop compensation

 Integrate N-Gate drivers for up to five USB ports

 Battery voltage, BUS voltage and all ports voltage sensing on VMONP pin

 Battery current, BUS current and all ports current sensing on VMONP pin

 Comprehensive protection features in on-chip buck-boost controller

 Supports pass-through operation when VBUS is close to VBAT

 I2C interface is available to communicate with MCU

 On-chip LDO to provide power for MCU

 QFN5X5-48 package(Non-standard)

2 Applications

 Power Bank

 Battery packs

 Li-ion Battery Charger

 Portable equipments

 General fast Charging

 Smart USB Sockets

3 Description

PL62100 is a high efficiency, synchronous bi-directional buck-boost charger with integrated fast charge protocols. It is a comprehensive and flexible buck-boost charger platform designed for most of fast charging applications with type-C port and PD protocol. It can be programmed to buck charging, boost charging or buck-boost charging. PL62100 provides I2C interface to communicate with MCU, provides high voltage sensing for battery and BUS terminals, accurate rail-rail current sensing for battery current, BUS current and up-to 4 USB ports currents. It also provides high voltage blocking for CC1, CC2, DP, DM communication signals for all of the USB ports. PL62100 can work with a general MCU to provide a complete, powerful and flexible buck-boost charging system for all kinds of fast charge application such as power bank, battery packs, or portable energy cubic etc.

In charging mode, it steps up or down the input voltage to effectively charge the batteries. PL62100 supports trickle charging, constant current (CC) charging and constant voltage (CV) charging management. The charging current and charging voltage can be programmed by two 12-bit DAC converters.

The PL62100 features I2C interface, so the user can easily control the charging/discharging mode, and program charging current, charging voltage, output voltage, and output current limits through I2C. It also monitors the status of up to four USB ports and provides four NMOS gate drivers to control the power path independently. User can also use I2C to monitor the status of DC-DC, even the whole system.

PL62100 also provides VMONP pin, through which the MCU can monitor VBUS, VBAT voltage, IBUS, IBAT current and the current of each port in real time. All these features simplify the system design and reduce BOM cost for any charging system.

The PL62100 supports under voltage protection, over voltage protection, over current protection, short circuit protection and over temperature protections to ensure system safety under different abnormal conditions.

4 Typical Application Schematic

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