Datasheet for LTC6803IG-1#PBF:
- Manufacturer Part Number : LTC6803IG-1#PBF
- Manufacturer : AD
- Description : 12 Channel Multicell Battery Monitor, Upgrade to LTC6802-1 IC
- Series : LTC6803-1
- Reference Price : USD 7.96
- Our Price : We have a better price, contact us by email
- Product Type : Battery Management
- Function : Multicell Battery Stack Monitor
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 44-Lead SSOP
- Pins : 44
- MFG Package Case : 05-08-1754
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 37
- Working Temperature : -40 to 85C
- Other Part Number : LTC6803IG-1#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 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
- On-board 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
The LTC6803 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.
The LTC6803 provides a standby mode to reduce supply current to 12μA. Furthermore, the LTC6803 can be powered from an isolated supply, providing a technique to reduce battery stack current draw to zero.
For applications requiring individually addressable serial communications, see the LTC6803-2/LTC6803-4.
| SPI Interface | Isolated V– | LTC6802 Pin Compatible | |
| LTC6803-1 | Daisy Chain | No | Yes |
| LTC6803-2 | Addressable | No | Yes |
| LTC6803-3 | Daisy Chain | Yes | No |
| LTC6803-4 | Addressable | Yes | No |
Applications
- Electric and Hybrid Electric Vehicles
- High Power Portable Equipment
- Backup Battery Systems
- Electric Bicycles, Motorcycles, Scooters
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
