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Overview
| Topology | Wireless Power Transfer |
| Input voltage | 5 V |
| IC revision | A |
Description
The LTC®4123 is a low power wireless receiver and aconstant-current/constant-voltage linear charger for NiMHbatteries. An external programming resistor sets the chargecurrent up to 25mA. The temperature compensated chargevoltage feature protects the NiMH battery and preventsovercharging.
Features
Complete Low Power Wireless NiMH Chargernn Low Minimum Input Voltage: 2.2Vnn Small Total Solution Volumenn 1.5V, 25mA Linear Single-Cell NiMH Chargernn Temperature Compensated Charge Voltagenn Integrated Rectifier with Overvoltage Limitnn Zinc-Air Battery Detectionnn Reverse Polarity Protectionnn Thermally Enhanced 6-Lead (2mm × 2mm)DFN package
Typical applications
- Hearing Aids
- Moving and/or Rotating Equipment
- Smart Cards
- Fitness Devices
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Compliance | Size | L (µH) | IR (A) | RDC max. (mΩ) | fres (MHz) | Q | P (W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 760308103206 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-WPCC Wireless Power Transfer Receiver Coil | Qi - Airfuel Alliance | 28,9 x 15,7 x 0,76 mm | 7.5 | 1.55 | 380 | 23 | 16 | 20 | ||
 | 760308101208 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-WPCC Wireless Power Transfer Receiver Coil | works with Qi Rx IC's | Ø 10 x 1.6 mm | 13 | 0.8 | 500 | 26 | 17 | 15 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 760308103206 | SPEC | |
| 760308101208 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Compliance | Size | L (µH) | IR (A) | RDC max. (mΩ) | fres (MHz) | Q | P (W) | Samples |
|---|