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15 CHANNEL MULTICELL BATT STACK
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HerstellerAnalog Devices Inc.
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Herstellerteil #LTC6812HLWE-1#3ZZTRPBF
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Datenblatt LTC6812HLWE-1#3ZZTRPBF DataSheet
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Paket ELQFP-64
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Auf Lager4371
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Battery Monitor |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 1 ~ 15 |
| Fault Protection | Over/Under Voltage |
| Interface | I²C, SPI |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features include:
1. Precision and Accuracy: High-resolution ADCs ensure precise voltage measurements, an essential factor for battery management systems (BMS).
2. Stackable Architecture: Multiple LTC6812 devices can be stacked to manage battery strings of any length, which is crucial for electric vehicles.
3. Robust Communication: The device supports SPI or isoSPI interfaces, ensuring reliable communication even in high-noise environments.
4. Safety Features: Includes diagnostic and fault detection capabilities, enhancing the safety and reliability of battery systems.
5. Low Power Consumption: Optimized for low power draw to extend battery life.
Overall, the LTC6812HLWE-1#3ZZTRPBF is an essential component for efficient and safe battery management in demanding applications.
Equivalent
1. Texas Instruments BQ76942: A battery monitor for 3-10 series cells.
2. Maxim Integrated MAX17843: A high-voltage battery monitor for electric vehicles.
3. Renesas ISL78610: A Li-ion battery monitoring IC for automotive applications.
Ensure compatibility with your specific requirements, as specifications may vary.
Features
1. Battery Monitoring: Supports up to 12 cell voltage measurements in series with a total measurement range of 0V to 5V per cell.
2. Accuracy: Offers high measurement accuracy with a typical total measurement error of ±1.2mV.
3. Galvanic Isolation: Provides 1000Vrms isolation for safety and noise immunity.
4. Temperature Measurement: Supports temperature monitoring using external thermistors.
5. Cell Balancing: Includes passive cell balancing with built-in MOSFETs.
6. Communication Interface: Utilizes an SPI interface for communication and supports daisy-chaining for monitoring multiple ICs.
7. Fault Detection: Features built-in fault diagnostics for open-wire detection and over/under-voltage alerts.
8. Low Power Consumption: Optimized for low power usage in both active and standby modes.
9. Operating Temperature: Functions effectively within a range of -40°C to 125°C.
These features make it suitable for automotive, industrial, and energy storage applications.
Pinout
1. Pin Count: The LTC6812HLWE-1 comes in a 48-pin package.
2. Function: This IC is designed to monitor up to 12 series-connected battery cells. It performs accurate voltage measurement for each cell and includes features like:
- Cell voltage measurement with high accuracy.
- Integrated diagnostics for robust operation.
- Passive balancing control for each cell.
- SPI-compatible interface for communication with a host processor.
- Daisy-chain capability for stacking multiple ICs in series for larger battery packs.
These functions make the LTC6812HLWE-1 ideal for applications requiring precise battery management and monitoring, ensuring safety and efficiency in multi-cell battery configurations.