Overview
The LTC4124EV#TRMPBF from Analog Devices is a high-performance wireless Li-Ion battery charger IC designed for low-power portable applications. It features a simple and efficient charging solution with low battery disconnect, making it ideal for various wireless devices. The IC includes an NTC input for safe temperature-qualified charging and a battery disconnect feature to prevent over-discharging. It is available in a thermally-enhanced 12-lead 2mm × 2mm LQFN package, which is RoHS and WEEE compliant.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VDCIN (DC Input Supply Operating Range) | 3.3 | 5.5 | V | ||
| VCC (Supply Operating Range) | 2.7 | 5.5 | V | ||
| IVCC (Input Quiescent Current) | VCC = 5V, Not Charging | 120 | 250 | μA | |
| IBAT (Battery Quiescent Current) | Done Charging or Not Charging, VCC > VBAT | 3.5 | 7 | μA | |
| Charge Current | Pin-selectable | 100 | mA | ||
| Operating Temperature Range | -20 | 85 | °C |
Key Features
- Pin-selectable charge current up to 100mA.
- NTC input for temperature-qualified charging.
- Battery disconnect feature to prevent over-discharging.
- Low battery drain current in disconnect/ship mode.
- Tiny total solution size with few external components.
- Thermally-enhanced 12-lead 2mm × 2mm LQFN package.
- Roads and WEEE compliant.
Applications
- Medical wireless sensors.
- Military wearables.
- High-end wireless headsets.
- Streaming headsets with Bluetooth connectivity.
- Virtual reality headsets.
- High-end remote control.
- IoT devices.
Q & A
- What is the operating voltage range of the LTC4124EV#TRMPBF?
The operating voltage range is from 2.7V to 5.5V for VCC and 3.3V to 5.5V for DC input supply.
- What is the maximum charge current of the LTC4124EV#TRMPBF?
The maximum charge current is 100mA and is pin-selectable.
- Does the LTC4124EV#TRMPBF have temperature-qualified charging?
- What is the package type of the LTC4124EV#TRMPBF?
- Is the LTC4124EV#TRMPBF RoHS and WEEE compliant?
- What are some typical applications of the LTC4124EV#TRMPBF?
- What is the operating temperature range of the LTC4124EV#TRMPBF?
- Does the LTC4124EV#TRMPBF have a battery disconnect feature?
- What is the quiescent current of the LTC4124EV#TRMPBF when not charging?
- Is the LTC4124EV#TRMPBF suitable for low-power portable applications?
