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Single cell supervisor (Linx) DNB1100

Overview

 
DNB1100 is a single cell lithium-ion battery monitoring chip, which can detect and balance the voltage and temperature of individual cells or parallel battery packs. The chip temperature sensor integrated in the internal can be used to test the temperature of the cell, and there is no need to use the thermocouple NTC to monitor the temperature. 

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Advantages

Key Features


This chip is a single cell battery management chip, which provides battery voltage detection, temperature detection and equalization functions. The temperature detection function of the chip does not need NTC and related peripheral circuits. The chip supports internal equalization without peripheral circuits. The chip has a certain self diagnosis ability, and supports over-voltage and under voltage alarms, high and low temperature alarms, and other chip related abnormal alarms.




Advantage


1) The chip can be directly labeled on the flexible PCB (FPCB), simplifying the circuit and eliminating the slave board.


2) The chip has a built-in temperature sensor, which saves materials without NTC and related peripheral circuits.


3) Provide more temperature detection coverage points than traditional NTC schemes.

Parameters
Voltage measurement accuracy + / - 2mV
Cell measurement voltage range 1.9V to 5.5V
Chip internal temperature sensor accuracy + / - 2.5k
Passive equalization with diagnostics
Low impedance cell electrochemical impedance spectroscopy
Daisy chain communication rate 1Mbps
Operating temperature range -40 degrees to 105 degrees


Design resources
User guide

1、1LINX_ FPC_ V2.1b user guide.Pdf
2、4LINX_ FR4_ V2.0 user guide.Pdf
3、DNB11xx_ Monitor_ GUI_ (EM) user guide.Pdf
4、 DNB11xx software development manual v1.1.pdf
5、PC_ Board user guide v1.0.pdf

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Videos

Live broadcast: battery management chip scheme design and precautions

This seminar will introduce the battery management scheme design and precautions of Datang NXP based on single cell:
- This solution can bring customers more accurate temperature and voltage sampling;
- Additional impedance detection function provided to customers to escort the safety of new energy vehicle power battery;
- The battery management chip DNB1168 in this solution, its core components are 100% domestic, the chip is integrated with the ac impedance monitoring of the cell, the chip is integrated with the temperature sensor, and the circuit of the highest safety level ASIL-D.

DNS battery management system scheme -- in-depth application of cell EIS parameters

DNS battery management system scheme -- in-depth application of cell EIS parameters

Sample & Buy

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For chip purchase,please contact distributors : ×

EDOM Technology Co Ltd

Singapore Branch Block 4102 , Ang Mo Kio Avenue 10.#07-08 Techplace !, Singapore

(65)63465198-102

Powertek Group Co.,Ltd

2101-02,Office Tower 2,Century Link,
No.1196 Century Avenue,Pudong New Area,Shanghai,China

13916656520

Unique Semiconductor Group Co.,Ltd

Rm1008, No.1717, North Sichuan Road, Shanghai

(86)21-51876636-296