Overview
The LTC4069EDC#TRMPBF, produced by Analog Devices Inc., is a complete constant-current/constant-voltage linear charger designed for single-cell lithium-ion batteries. This charger is packaged in a compact 2mm x 2mm DFN package, making it ideal for space-constrained applications. It is part of the LTC4069 family, which includes variants like the LTC4069-4.4 with a 4.4V float voltage for high-capacity batteries.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 6-pin DFN |
| Package Size | 2mm x 2mm |
| Charge Current | Up to 750mA |
| Float Voltage | 4.2V (standard), 4.4V (LTC4069-4.4 variant) |
| Battery Type | Lithium-ion (Li-ion), Lithium-polymer (Li-pol) |
| Operating Temperature | -40°C to 85°C |
Key Features
- Constant-current and constant-voltage charging for single-cell lithium-ion batteries.
- Compact 2mm x 2mm DFN package for space-efficient designs.
- High charge current capability of up to 750mA.
- Programmable charge current and voltage.
- Thermal regulation to prevent overheating.
- Automatic recharge and charge termination.
- Low external component count.
Applications
- Portable electronic devices such as smartphones, tablets, and laptops.
- Wearable devices like smartwatches and fitness trackers.
- Industrial battery-powered systems.
- Medical devices requiring reliable battery charging.
- Consumer electronics with lithium-ion battery packs.
Q & A
- What is the primary function of the LTC4069EDC#TRMPBF? The primary function is to provide constant-current and constant-voltage linear charging for single-cell lithium-ion batteries.
- What is the package type and size of the LTC4069EDC#TRMPBF? It is packaged in a 6-pin DFN package with a size of 2mm x 2mm.
- What is the maximum charge current of the LTC4069EDC#TRMPBF? The maximum charge current is up to 750mA.
- What are the typical float voltages for the LTC4069 family? The standard float voltage is 4.2V, and there is a variant (LTC4069-4.4) with a 4.4V float voltage.
- What types of batteries does the LTC4069EDC#TRMPBF support? It supports lithium-ion (Li-ion) and lithium-polymer (Li-pol) batteries.
- What is the operating temperature range of the LTC4069EDC#TRMPBF? The operating temperature range is -40°C to 85°C.
- Does the LTC4069EDC#TRMPBF have thermal regulation? Yes, it includes thermal regulation to prevent overheating.
- Is the charge current programmable? Yes, the charge current is programmable.
- What are some common applications for the LTC4069EDC#TRMPBF? Common applications include portable electronic devices, wearable devices, industrial battery-powered systems, and medical devices.
- Does the LTC4069EDC#TRMPBF have automatic recharge and charge termination features? Yes, it includes automatic recharge and charge termination features.
