Overview
The LTC4011CFE#TRPBF, produced by Analog Devices Inc., is a high-efficiency standalone nickel battery charger. This integrated circuit is designed to charge nickel-cadmium (NiCd) and nickel-metal hydride (NiMH) batteries with precision and reliability. The LTC4011 features a comprehensive set of functions including temperature-based charge qualification, fast charge termination control, and various safety mechanisms to ensure safe and efficient battery charging.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Operating Voltage Range | GND to VCC | 0 | - | 3.3 | V |
| Full-Scale Regulation Voltage (Fast Charge) | 0.3V < BAT < VCC - 0.3V | 95 | 100 | 105 | mV |
| Minimum Charging Temperature | VTEMP Increasing | 0 | - | 9 | °C |
| Maximum Charge Initiation Temperature | VTEMP Decreasing, Not Charging | 41.5 | 45 | 47 | °C |
| Maximum Fast Charge Temperature | VTEMP Decreasing, Fast Charge | 57 | 60 | 63 | °C |
| Package Type | - | - | - | 20-Lead Plastic TSSOP | - |
| Temperature Range | - | - | - | 0°C to 85°C | - |
Key Features
- High-efficiency charging for NiCd and NiMH batteries
- Temperature-based charge qualification and fast charge termination control using an external thermistor network
- Comprehensive safety features including overcharge protection, overtemperature protection, and short-circuit protection
- Micropower shutdown mode to reduce current consumption when not in use
- Multiple status and PWM outputs for monitoring and control
- Support for various battery chemistries with adjustable charge parameters
Applications
The LTC4011CFE#TRPBF is suitable for a wide range of applications requiring reliable and efficient nickel battery charging. These include:
- Portable electronics such as cordless power tools, two-way radios, and other handheld devices
- Industrial equipment and machinery that use nickel-based batteries
- Automotive systems where nickel batteries are used for starting or auxiliary power
- Consumer products like cordless phones, vacuum cleaners, and other battery-powered appliances
Q & A
- What type of batteries does the LTC4011CFE#TRPBF support? The LTC4011CFE#TRPBF supports nickel-cadmium (NiCd) and nickel-metal hydride (NiMH) batteries.
- What is the operating voltage range of the LTC4011CFE#TRPBF? The operating voltage range is from GND to 3.3V.
- How does the LTC4011CFE#TRPBF handle temperature-based charging? It uses an external thermistor network connected to the VTEMP pin to provide temperature-based charge qualification and fast charge termination control.
- What is the maximum fast charge temperature for the LTC4011CFE#TRPBF? The maximum fast charge temperature is between 57°C and 63°C.
- What is the package type of the LTC4011CFE#TRPBF? The package type is a 20-Lead Plastic TSSOP.
- What is the temperature range for the LTC4011CFE#TRPBF? The temperature range is from 0°C to 85°C.
- Does the LTC4011CFE#TRPBF have a shutdown mode? Yes, it has a micropower shutdown mode to reduce current consumption when not in use.
- What safety features does the LTC4011CFE#TRPBF include? It includes overcharge protection, overtemperature protection, and short-circuit protection.
- Can the LTC4011CFE#TRPBF be used in automotive applications? Yes, it can be used in automotive systems where nickel batteries are used for starting or auxiliary power.
- Where can I find more detailed specifications for the LTC4011CFE#TRPBF? Detailed specifications can be found in the datasheet available on the Analog Devices website or through distributors like Mouser, Digi-Key, and Microchip USA.
