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1. Description
LTC6811HG-1#3ZZTRPBF is a multi-cell battery pack monitor, which has the following characteristics: Can measure up to 12 batteries connected in series The total measurement error is less than 1.2mV. cell The LTC6811 has a measurement range of 0V to 5V Suitable for most battery chemistries. All 12 cells are fine Measured in 290µs, a lower data acquisition rate can Choose a high noise reduction effect. Multiple LTC6811 devices can be connected in series, allowing simultaneous monitoring of long, high-voltage batteries Battery string. Each LTC6811 has an isoSPI interface for High-speed, anti-radio frequency interference, long-distance communication. Using LTC6811-1, multiple devices can be connected to A daisy chain, each host has a host processor connection equipment. Using LTC6811-2, multiple devices are connected in parallel with the host processor, each device Solve individually.
LTC6811 can be powered directly by battery Stacked or isolated from the power supply. LTC6811 includes Passive balance of each unit with independent PWM Duty cycle control of each unit. Other features include Onboard 5V regulator, five general I/O lines and one In sleep mode, the current consumption is reduced to 4µA.
2. FEATURES
1. Pin-Compatible Upgrade from the LTC6804
2. Measures Up to 12 Battery Cells in Series
3. 1.2mV Maximum Total Measurement Error
4. Stackable Architecture for High Voltage Systems
5. Built-in isoSPITM Interface
- 1Mb Isolated Serial Communications
- Uses a Single Twisted Pair, up to 100 Meters
- Low EMI Susceptibility and Emissions
6. 290µs to Measure All Cells in a System
7. Synchronized Voltage and Current Measurement
8. 16-Bit ADC with Programmable Noise Filter
9. Engineered for ISO 26262-Compliant Systems
10. Passive Cell Balancing with Programmable Timer
11. 5 General Purpose Digital I/O or Analog Inputs
- Temperature or other Sensor Inputs
- Configurable as an I2C or SPI master
12. 4μA Sleep Mode Supply Current
13. 48-Lead SSOP Package
14. AEC-Q100 Qualified for Automotive Applications
3. APPLICATIONS
1. Electric and Hybrid Electric Vehicles
2. Backup Battery Systems
3. Grid Energy Storage
4. High Power Portable Equipment
4. PIN CONFIGURATION
5. TYPICAL APPLICATION
6. BLOCK DIAGRAM
7. PACKAGE DESCRIPTION
