Description
LTC6811HG-1-3#ZZTRPBF
Description
The LTC6811HG-1-3#ZZTRPBF is a multi-cell battery stack monitor designed to measure voltage, current, and temperature in lithium-ion battery packs. This device provides an accurate and reliable solution for monitoring and balancing high-voltage battery systems.
Key Features
- High-Voltage Battery Monitoring: Measures up to 18 series-connected cells with a common sense point.
- Voltage Measurement: 16-bit ADC with ±0.25% accuracy over the entire temperature range.
- Current Measurement: Requires an external current sense resistor.
- Temperature Measurement: Uses external thermistor (10kΩ NTC type).
- Iso1850 / SPI Communication: Interfaces with a host microcontroller via an isolated interface.
- Cell Balancing: Internal cell balancing switches with adjustable timer.
- Overvoltage and Undervoltage Protection: Alerts the host microcontroller of any faults.
- Status Register: Reflects cell voltage, current, and temperature measurement status.
Parameters
Electrical Characteristics
Parameter | Min | Typ | Max | Unit |
---|---|---|---|---|
Operating Voltage | 2.7 | – | 5.5 | V |
Operating Temperature | -40 | – | 125 | °C |
Voltage Measurement Accuracy | – | ±0.25 | – | % |
Current Measurement Resolution | – | 16 | – | bits |
Temperature Measurement Accuracy | – | ±1 | – | °C |
Package and Pinout
- Package Type: TSSOP-38
- Package Dimensions: 12.5 x 6.1 x 0.95 mm
- Pin Count: 38
Applications
- Electric Vehicles: Monitor and balance battery packs in hybrid and electric vehicles.
- Renewable Energy Systems: Optimize energy storage and generation in solar and wind power systems.
- Industrial Battery Packs: Ensure safe and efficient operation of high-voltage battery packs.
Documentation
- Datasheet: Detailed specifications and technical information.
- User Manual: Application guidelines and implementation examples.
- Evaluation Board: Available for testing and evaluation purposes.
Ordering Information
- Part Number: LTC6811HG-1-3#ZZTRPBF
- Package Type: TSSOP-38
- Quantity: Contact sales for pricing and availability.