SLUAAO7
March 2023
BQ24640
,
BQ25173
,
BQ25713
,
BQ25798
Abstract
Trademarks
1
Introduction
2
Supercapacitors Charging Key Care-Abouts and Implementations
2.1
Supercap Charge Profile
2.2
Linear Based Supercap Charger
2.3
Switch-Mode Buck Converter Based Supercap Charger
2.4
Modifying Li-ion Chargers to Charge Supercaps
2.5
Using a Li-ion Buck-Boost Integrate FET Charger to Charge a Supercap or Li-ion Battery
2.6
Using a Buck-Boost Controller with External FETs to Charge a Supercap
3
Summary
4
References
4
References
Texas Instruments,
BQ25173: 800-mA Linear Charger for 1- to 4-Cell Super Capacitor
, data sheet.
Texas Instruments,
bq24640 High-Efficiency Synchronous Switched-Mode Super Capacitor Charger
, data sheet.
Texas Instruments,
BQ25798 I2C Controlled, 1- to 4-Cell, 5-A Buck-Boost Battery Charger with Dual-Input Selector, MPPT for Solar Panels and Fast Backup Mode
, data sheet.
Texas Instruments,
TPS25221 2.5-V to 5.5-V, 2-A Continuous Current Limited Switch
, data sheet.
Texas Instruments,
BQ25730 I2C 1- to 5-Cell Buck-Boost Narrow VDC Battery Charge Controller with Power Path Control and USB-C PD 3.0 OTG Output
, data sheet.