DS2762

PRODUCTION

High-Precision Li+ Battery Monitor with Alerts

1-Wire Battery Monitor Integrates Single-Cell Protector and Alerts System when Current or Temperature Exceeds User-Defined Limits

Data Sheet (Rev. 2) Product Selection Table

Part Models: 4
1ku List Price: Starting From $5.26

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Part Details

Li+ Safety Circuit
- Overvoltage Protection
- Overcurrent/Short-Circuit Protection
- Undervoltage Protection
Host Alerted When Accumulated Current or Temperature Exceeds User-Selectable Limits
0V Battery Recovery Charge
Available in Two Configurations:
- Internal 25mΩ Sense Resistor
- External User-Selectable Sense Resistor
Current Measurement
- 12-Bit Bidirectional Measurement
- Internal Sense Resistor Configuration: 0.625mA LSB and ±1.9A Dynamic Range
- External Sense Resistor Configuration: 15.625µV LSB and ±64mV Dynamic Range
Current Accumulation:
- Internal Sense Resistor: 0.25mAhr LSB
- External Sense Resistor: 6.25µVhr LSB
Voltage Measurement with 4.88mV Resolution
Temperature Measurement Using Integrated Sensor with 0.125°C Resolution
System Power Management and Control Feature Support
32 Bytes of Lockable EEPROM
16 Bytes of General-Purpose SRAM
Dallas 1-Wire® Interface with Unique 64-Bit Device Address
Low-Power Consumption:
- Active Current: 60µA typ, 90µA max
- Sleep Current: 1µA typ, 2µA max

Part Models: 4
1ku List Price: Starting From $5.26

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
DS2762AE+	Thin Shrink Small-Outline Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
DS2762AE+T&R	Thin Shrink Small-Outline Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
DS2762BE+	Thin Shrink Small-Outline Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
DS2762BE+T&R	Thin Shrink Small-Outline Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Dec 11, 2018 - 1754N ASSEMBLY
		pcn_1754n
DS2762AE+	PRODUCTION
DS2762AE+T&R	PRODUCTION
DS2762BE+	PRODUCTION
DS2762BE+T&R	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Tools & Simulations

Software Development 1

DS2762K Evaluation Kit Software, 2.5.0

Evaluation Kits

Li+ Battery Monitor Evaluation Kit

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Features and Benefits

Demonstrates the Capabilities of the DS2762 Li+ Battery Monitor, Including:
- Temperature Measurement
- Voltage Measurement
- Current Measurement
- Current Accumulation
- Temperature and Accumulated Current Alarms
- Information Storage
- Identification
- Overvoltage/Undervoltage Protection
- Overcurrent/Short-Circuit Protection
Interfaces to the Serial Port of a PC Running Windows OS

Product Details

The DS2762K evaluation kit makes performance evaluation, software development, and prototyping with the DS2762 Lithium-Ion (Li+) battery monitor easy. The evaluation board interfaces to a PC through a DS9123 serial-port adapter and RJ-11 cable connection. The provided CD ROM contains all related data sheets along with the evaluation software, which can be run under any Windows® operating system.

The DS2762K evaluation software gives the user complete control of all functions of the DS2762. Separate control tabs allow the user access to all EEPROM and RAM memory locations, all control registers, and real-time updates of all monitored parameters. The software also incorporates a data-logging feature to monitor a cell over time and fuel-gauging algorithms to improve remaining capacity calculations based on specific cell characteristics.

The evaluation board circuit is designed to provide the DS2762 with accurate parameter measurements, allow the DS2762 to disable charging or discharging, and protect the DS2762 from ESD damage. Kit demonstration boards will vary as they are improved upon over time. For information on the demonstration board circuits, refer to the individual board data sheets located inside the documentation directory on the DS2762K CD ROM.

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

Application Note 2

Design Note 7

Technical Articles 12