charger | Battery Guide

LTC4123 – Low Power Wireless Charger for Hearing Aids

Features Complete Low Power Wireless NiMH Charger Low Minimum Input Voltage: 2.2V Small Total Solution Volume 1.5V, 25mA Linear Single-Cell NiMH Charger Temperature Compensated Charge Voltage Integrated Rectifier with Overvoltage Limit Zinc-Air Battery Detection Reverse Polarity Protection Thermally Enhanced 6-Lead (2mm × 2mm) DFN package Typical Application Description The LTC®4123 is a low power wireless receiver […]

LTC4123 – Low Power Wireless Charger for Hearing Aids Read More »

9 Volt Battery Charger

9 Volt batteries extensively used in various electronics measurement equipment. Powering these devices with rechargeable batteries can be a cost effective solution. In this post a simple Lithium-ion 9 Volt Battery Charger design with overcharging protection will be presented. Charger is based on PIC16F876A microcontroller and uses its A/D module to monitor current flow into

9 Volt Battery Charger Read More »

Single-cell 5-A Li-Ion battery charger with MaxCharge™ technology

TI’s new bq25890, bq25892, and bq25895 5A chargers with TI’s MaxCharge™ technology charge your mobile device faster while keeping your device cooler. The switch-mode chargers can charge a 1-S Li-Ion cell to 80% capacity in 30 minutes, while traditional devices only reach 30%. The I2C-controlled chargers’ high efficiency and thermal management result in the fastest,

Single-cell 5-A Li-Ion battery charger with MaxCharge™ technology Read More »

LiFePO4 Charger

since I really like using LiFePO4 AA and AAA batteries in some of my projects [1][2][3], I finally gave in and built a dedicated charger for them. Previously I used a lab power supply to mimic the constant current/constant voltage charging curve, which worked also fine. But after seeing Patrick Van Oosterwijck nifty LiFePO4wered/USB™ [4],

LiFePO4 Charger Read More »