Datasheet > RT9748

RT9748

更新时间： 2024-11-07 17:01:55

品牌	Logo	应用领域
立锜 - RICHTEK		电池
页数	文件大小	规格书
47页	1091K
描述
6-A Smart Load Switch Battery Charger

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RT9748 数据手册

RT9748

6-A Smart Load Switch Battery Charger

General Description

Features

⚫ Internal Load Switch with Charge Pump Control

 Dual NFETs in a Back to Back Configuration

 Internal Charge Pump Control

⚫ 4-Path CC/CV Regulation

The RT9748 is a 6-A smart load switch battery charger

that integrates an internal load switch with charge pump

control and 4-path constant current/constant voltage

regulation, a 5-way hardware protection, and a 10-

channel 12-bit analog-to-digital converter. The RT9748

provides accurate analog-to-digital converter for

 Input Current Regulation (ICR)

 Output Voltage Regulation (OVR)

 Battery Voltage Regulation (BVR)

 Battery Current Regulation (BCR)

⚫ 5-Way Hardware Protection

voltage/current measurement through I C serial

interface to report the battery charging parameters and

3-way software protection and flags.

 VBUS Overvoltage Protection (VBUS_OVP)

 Drop-Out Overvoltage Protection (VDR_OVP)

 Reverse Overcurrent Protection (RE_OCP)

 Junction Over-Temperature Protection

(TJ_OTP)

Applications

⚫ Handheld Products

⚫ Portable Media Players

Ordering Information

RT9748

 Input Overcurrent Protection (IOC_OCP)

⚫ 10-Channel 12-bit ADC

 High Accuracy of 12-bit Resolution

 10-Channel for Voltage/Current Measurement

 High Speed Data Rate for 8/16 Times Average

Per Channel

Package Type

WSC: WL-CSP-42B 2.75x3.05 (BSC)

Note:

Richtek products are Richtek Green Policy compliant

and compatible with the current requirements of

IPC/JEDEC J-STD-020.

⚫ 3-Way Software Protection

 Drop-Out Overvoltage Protection Alarm

(VDR_ALM)

 TS of the VBUS Over-Temperature Protection

(TBUS_OTP)

 TS of the BAT Over-Temperature Protection

(TBAT_OTP)

is a registered trademark of Richtek Technology Corporation.

DS9748-00 June 2023

www.richtek.com

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