LTC6803IG-3#PBF - Brand New Analog Devices / Linear Technology Battery Management ICs
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Description
The LTC®6803IG-3#PBF is a 2nd generation, complete battery monitoring IC that includes a 12-bit ADC, a precision voltage reference, a high voltage input multiplexer and a serial interface. Each LTC6803 can measure up to 12 series-connected battery cells or supercapacitors. Using a unique level shifting serial interface, multiple LTC6803-1/ LTC6803-3 devices can be connected in series, without opto-couplers or isolators, allowing for monitoring of every cell in a long string of series-connected batteries. Each cell input has an associated MOSFET switch for discharging overcharged cells. The LTC6803-1 connects the bottom of the stack to V– internally. It is pin compatible with the LTC6802-1, providing a drop-in upgrade. The LTC6803-3 separates the bottom of the stack from V–, improving cell 1 measurement accuracy.
Specifications and features
- Measures Up to 12 Battery Cells in Series
- Stackable Architecture
- Supports Multiple Battery Chemistries and Supercapacitors
- Serial Interface Daisy Chains to Adjacent Devices
- 0.25% Maximum Total Measurement Error
- Engineered for ISO26262 Compliant Systems
- 13ms to Measure All Cells in a System
- Passive Cell Balancing:
- Integrated Cell Balancing MOSFETs
- Ability to Drive External Balancing MOSFETs
- Onboard Temperature Sensor and Thermistor Inputs
- 1MHz Serial Interface with Packet Error Checking
- Safe with Random Connection of Cells
- Built-In Self Tests
- Delta-Sigma Converter With Built-In Noise Filter
- Open-Wire Connection Fault Detection
- 12µA Standby Mode Supply Current
- High EMI Immunity
- 44-Lead SSOP Package
Application Scenarios
The LTC6803IG-3#PBF is an excellent choice for the following applications:
- Electric and Hybrid Electric Vehicles
- High Power Portable Equipment
- Backup Battery Systems
- Electric Bicycles, Motorcycles, Scooters
Comparison
Advantages- High measurement accuracy
- Capable of measuring up to 12 series-connected battery cells or supercapacitors
- Passive cell balancing through integrated or external MOSFETs
- Safe with random connection of cells
- Built-in self tests and open-wire connection fault detection
Disadvantages- None identified
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Similar parts: 3236 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download LTC6803IG-3#PBF
- Chipdatas Part: CD91-LTC6803IG-3#PBF
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- Last Updated: 2024/05/20 22:15 +0800
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