HT4921 - Li-ion Battery Charger

HOTCHIP

Datasheet Details

Part number	HT4921
Manufacturer	HOTCHIP
File Size	429.76 KB
Description	Li-ion Battery Charger
Datasheet	HT4921 Datasheet
Additional preview pages of the HT4921 datasheet.

📁 Similar Datasheet

HT49C10 - 8-Bit Microcontroller (Holtek Semiconductor Inc)
HT49C10-1 - LCD Type 8-Bit MCU (Holtek Semiconductor)
HT49C30-1 - 8-Bit LCD Type MCU (Holtek Semiconductor Inc)
HT49C30L - 8-Bit LCD Type MCU (Holtek Semiconductor Inc)
HT49C50 - 8-Bit Microcontroller (Holtek Semiconductor Inc)
HT49C50-1 - LCD Type 8-Bit MCU (Holtek Semiconductor)
HT49C50L - LCD Type 8-Bit MCU (Holtek Semiconductor)
HT49C70-1 - LCD Type 8-Bit MCU (Holtek Semiconductor)
HT49C70L - LCD Type 8-Bit MCU (Holtek Semiconductor)
HT49CA0 - Remote Type 8-Bit MCU (Holtek Semiconductor)

Other Datasheets by HOTCHIP

HT4924U - Mobile power solution
HT4927U - Mobile power management solution
HT4928S - Mobile Power Management
HT4929E - Mobile Power Management Solution
HT4900 - HT4900
HT4901 - Li-ion Battery Charger
HT4902T - Li-ion Battery Charger
HT4906 - Li-ion Battery Charger

Full PDF Text Transcription

Click to expand full text

HT492 1 ： HT4921 ，、LED 、， IC+MCU+ IC 。：  ，；  ， 1A MOSFET， 0V ，//。  。  ，130 ， 0。  。  ；  4KV ESD  1MHZ  、  ， 1 : GND 1 L2 2 L1 3 VDD 4 LX 8 VOUT 7 PROG 6 BTP 5 HT4921 ESOP8 1 GND 2 L2 3 L1 4 VDD 5 BTP 6 PROG 7 VOUT 8 LX 5V 2 HT4921 3 HT4921 （，， GND 0 ） VIN Min Typ V45 Max 6 Vbat V 2.9 4.4 VIN Vfloat Ibat VTRKL VTRHYS VUV VUVHYS VRECHG Vprog1 Vprog2 FLED Vo VOVP VOVP_DIS VUVLO VUVLO_R IBAT1 IBAT2 FOSC OTP OTP_HYS VIN VIN BAT Vcc Vcc PROG PROG LED Vin>BAT Vin>BAT Vcc=3.5V， Vbat=4.2V VBAT Vcc mV mV V uA V mV V mV V V V Hz 100 30 4.18 4.22 4.26 ±0.5 ±5 2.8 100 3.7 200 4.05 0.1 1 1 BAT BAT Vout=5.5V，No switching Vout=4.5V， switching V V V V V mA mA MHz degC degC 4.95 5.1 6 5.5 2.9 3.4 0.35 1.

Published: Aug 30, 2015 |