Datasheet > PCA9482UK

PCA9482UK

更新时间： 2024-11-27 15:19:03

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
6页	123K
描述
Switched capacitor charger

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PCA9482UK 数据手册

PCA9482UK

7 A 2:1, 1:2, and 1:1 mode switched capacitor direct charger

Rev. 1.0 — 8 November 2022

Short data sheet

1 General description

The PCA9482UK is a highly-integrated switched-capacitor converter with an embedded

OVPFET, targeted to provide two times the output current for fast charging applications

with a 1-cell battery. The device works in 2:1 switching operation with very high efficiency

(>96.5 %, at V_VOUT= 4 V, I_VOUT= 5 A), in 1:2 switching operation or in 1:1 mode with

forward and reverse direction.

As absolute maximum voltage for each VIN and VOUT, VIN input is designed to support

up to 16.5 V with no pre-biased scheme and 20 V with the pre-bias enabled for USB

VBUS, and VOUT input is designed to support up to 7 V with the pre-bias enabled for a

1-cell battery application.

The device provides multiple safety schemes such as OV (Overvoltage), UV

(Undervoltage), switching pin short, thermal shutdown and others.

The device features all the functions with I²C-bus interface, with up to 1 MHz.

2 Features and benefits

• Integrated 2:1 or 1:2 unregulated switched capacitor and bidirectional bypass mode

with switched-capacitor converter, >96.5 % efficiency at 5 A output current

• 20 V tolerant DC voltage on VIN and 7 V on VOUT

• OVP FET with IVIN Regulation and Battery voltage/current loop

• Dual-Phase Switched-Capacitor to optimize efficiency and a number of components

• Minimized power dissipation schemes embedded on an internal regulation

• Multiple safety schemes

– Over-temperature protection (OTP)

– Over-voltage protection (OVP)

– Under-voltage protection (UVP)

– Input/Output or flying capacitor short detection

– Watchdog timers

• 1 Mbit/s I2C bus target interface

• 3.02 x 2.72 mm, 6 x 7, 42 WLCSP with 0.4 mm pitch

3 Applications

Smartphone, tablet, and other portable electronic devices with high-voltage direct

charging.

12 3 4 5 6

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