A8660KESTR-J - Allegro MicroSystems

Manufacturer Part Number

A8660KESTR-J

Manufacturer

Allegro MicroSystems

Introduction

The A8660KESTR-J is a high-voltage, high-side, current-sense amplifier with an integrated op-amp, designed for automotive and industrial applications.

Product Features and Performance

Integrated op-amp for current sensing and control

Wide input voltage range from 3V to 45V

High-side current sensing up to 100A

Low offset voltage of 20µV (typical)

Low input bias current of 10nA (typical)

Fast response time of 2.5µs

High common-mode rejection ratio (CMRR) of 100dB

Wide temperature range of -40°C to 150°C

Product Advantages

Highly accurate current sensing for efficient power management

Robust design for reliable operation in harsh environments

Compact package for space-constrained applications

Versatile for use in various automotive and industrial systems

Key Technical Parameters

Input Voltage Range: 3V to 45V

Output Voltage Range: 0V to VIN

Maximum Current Sense Voltage: 100mV

Offset Voltage: 20µV (typical)

Input Bias Current: 10nA (typical)

Response Time: 2.5µs

Common-Mode Rejection Ratio (CMRR): 100dB

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified for automotive applications

20-QFN (4x4) package with wettable flank for reliable surface mounting

Compatibility

Suitable for a wide range of automotive and industrial applications that require high-side current sensing and monitoring

Application Areas

Automotive: Engine management, power steering, battery management, motor control

Industrial: Power supplies, motor drives, battery chargers, solar inverters

Product Lifecycle

This product is currently in production and not nearing discontinuation.

Replacements or upgrades may be available in the future as Allegro MicroSystems continues to develop new product solutions.

Key Reasons to Choose This Product

Highly accurate and reliable current sensing for efficient power management

Wide input voltage range and robust design for use in harsh environments

Compact package and versatile applications make it suitable for space-constrained systems

AEC-Q100 qualification ensures reliability and safety for automotive applications

Ongoing product support and potential future replacements/upgrades from Allegro MicroSystems