AD8451

RECOMMENDED FOR NEW DESIGNS

Low Cost Precision Analog Front End and Controller for Battery Test/Formation Systems

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: Starting From $6.36

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Part Details

Integrated constant current and voltage modes with automatic switchover
Charge and discharge modes
Precision voltage and current measurement
Integrated precision control feedback blocks
Fixed gain settings
Current sense gain: 26 V/V (typ)
Voltage sense gain: 0.8 V/V (typ)

Precision interface to PWM or linear power converters
Excellent ac and dc performance
Maximum offset voltage drift: 0.9 μV/°C
Maximum gain drift: 3 ppm/°C
Low current sense amplifier input voltage noise: >9 nV/√Hz typ
Current sense CMRR: 108 dB minimum
TTL compliant logic

Part Models: 2
1ku List Price: Starting From $6.36

Documentation

Data Sheet 1

AD8451: Low Cost, Precision Analog Front End and Controller for Battery Test/Formation Systems Data Sheet (Rev.0) 04/02/2014

Application Note 3

AN-1319: Compensator Design for a Battery Charge/Discharge Unit Using the AD8450 or the AD8451 (Rev.0) 12/08/2014

Reverse Voltage Protection for Battery Chargers 06/01/2020

AN-1319: Compensator Design for a Battery Charge/Discharge Unit Using the AD8450 or the AD8451 06/20/2024

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
AD8451ASTZ	80-Lead LQFP (14mm x 14mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
AD8451ASTZ-RL	80-Lead LQFP (14mm x 14mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN
No Match Found
Oct 18, 2016 - 16_0034 Assembly Relocation of Select LQFP,LQFP_EP,MQFP,TQFP,TQFP_EP Products to Stats ChipPAC China Jiangyin
		PCN16_0034_Form Material_Report Qualification Results Summary Qualification Results Summary Qualification Results Summary
AD8451ASTZ	PRODUCTION
AD8451ASTZ-RL	PRODUCTION

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

Hardware Ecosystem

Parts	Product Life Cycle	Description
PWM Controllers 1
ADP1972	RECOMMENDED FOR NEW DESIGNS	Buck or Boost, PWM Controller for Battery Test Solutions

Tools & Simulations

SPICE Model 1

AD8451 SPICE Macro Model

Evaluation Kits

AD8451 Evaluation Board

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Product Details

The AD8451-EVALZ evaluation board is a convenient standalone platform for evaluating the major elements of the AD8451, either as a standalone component or connected to a battery test/formation system.

In the configuration, the AD8451-EVALZ operates just as it would within a system including the PWM and dc-to-dc power converter. Please refer to data sheet AD8451 for details.

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