RT9748
RT9748 is 6-A Smart Load Switch Battery Charger manufactured by Richtek.
Description
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 10channel 12-bit analog-to-digital converter. The RT9748 provides accurate analog-to-digital converter for voltage/current measurement through I2C serial interface to report the battery charging parameters and 3-way software protection and flags.
Applications
- Handheld Products
- Portable Media Players
Ordering Information
Package Type WSC: WL-CSP-42B 2.75x3.05 (BSC)
Note: Richtek products are Richtek Green Policy pliant and patible with the current requirements of IPC/JEDEC J-STD-020.
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
- Input Current Regulation (ICR)
- Output Voltage Regulation (OVR)
- Battery Voltage Regulation (BVR)
- Battery Current Regulation (BCR)
- 5-Way Hardware Protection
- VBUS Overvoltage Protection (VBUS_OVP)
- Drop-Out Overvoltage Protection (VDR_OVP)
- Reverse Overcurrent Protection (RE_OCP)
- Junction Over-Temperature Protection (TJ_OTP)
- 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
- 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)
Copyright © 2023 Richtek Technology Corporation. All rights reserved.
DS9748-00 June 2023 is a registered trademark of Richtek Technology Corporation.
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Marking Information
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Pin Configuration
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