BQ9003RSMR High-Performance Low-Power Battery Monitoring And Balancing IC with ±2mV Accuracy
Price:
Contact for Sample
MOQ:
10
Delivery Time:
5-8 work days
Brand:
Original Factory
Product Description
BQ9003RSMR Integrated Circuit Chip
High-performance, low-power battery monitoring and balancing IC designed for advanced battery management systems.
Product Overview
The BQ9003RSMR is a sophisticated integrated circuit chip engineered for battery management systems (BMS) in multi-cell series battery packs. This solution is ideal for electric vehicles, energy storage systems, and industrial battery applications, providing precise voltage monitoring and balancing control with reliable I²C/SPI communication interfaces.
Technical Specifications
| Specification | Details |
|---|---|
| Type | Battery monitoring and balancing IC |
| Number of Cells | Supports up to 16 series-connected cells |
| Voltage Monitoring Range | 0.5V to 5V |
| Voltage Measurement Accuracy | ±2mV (typical) |
| Balancing Current | 10mA to 100mA (external FET control) |
| Operating Temperature | -40°C to +125°C |
| Communication Interface | I2C/SPI |
| Supply Voltage | 2.7V to 5.5V |
| Package Type | VQFN-32 |
Key Features
- High-precision voltage monitoring with ±2mV typical accuracy
- Automatic battery balancing via external FET control
- Comprehensive protection mechanisms (overvoltage, undervoltage, overtemperature)
- Flexible communication interfaces (I²C and SPI)
- Low-power design with minimal standby current consumption
- Wide operating voltage range (2.7V to 5.5V)
- Multi-chip cascading capability for large-scale battery packs
- Compatibility with other BQ series battery management chips
Applications
Electric vehicles (EV/HEV), energy storage systems (ESS), uninterruptible power supplies (UPS), industrial battery packs, and smart battery management systems (BMS).
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Frequently Asked Questions
Are your products original?
Yes, all products are original, new original import is our purpose.
Which Certificates do you have?
We are ISO 9001:2015 Certified Company and member of ERAI.
Can you support small quantity order or sample? Is the sample free?
Yes, we support sample order and small order. Sample cost is different according to your order or project.
How to ship my order? Is it safe?
We use express to ship, such as DHL, Fedex, UPS, TNT, EMS. We can also use your suggested forwarder. Products will be in good packing and ensure the safety and we are responsible to product damage to your order.
What about the lead time?
We can ship stock parts within 5 working days. If without stock, we will confirm lead time for you based on your order quantity.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ShenZhen Mingjiada Electronics Co.,Ltd.
Location
1239 New Asia Guoli Building Zhenzhong Road.,Futian district Shenzhen China
Contact Person
Sales Manager