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All Products > Semiconductors > Power Management ICs > Battery Management

Analog Devices AD8451 Precision Analog Front-End & Controller

Analog Devices AD8451 Precision Analog Front-End & Controller is designed as a low-cost precision analog front end and controller for testing and monitoring battery cells. AD8451's precision fixed gain instrumentation amplifier (IA) measures the battery charge/discharge current, and a fixed gain difference amplifier (DA) measures the battery voltage. Internal laser trimmed resistor networks set the gains for the IA and the DA, optimizing the performance of the AD8451 over the rated temperature range. The IA gain is 26 and the DA gain is 0.8. Voltages at the ISET and VSET inputs set the desired constant current (CC) and constant voltage (CV) values. AD8451's CC to CV switching is automatic and transparent to the system. A TTL logic level input, MODE, selects the charge or discharge mode (high for charge, low for discharge). An analog output, VCTRL, interfaces directly with the Analog Devices ADP1972 PWM controller. AD8451 simplifies designs by providing excellent accuracy, performance over temperature, flexibility with functionality, and overall reliability in a space-saving package. Available in an 80-lead, 14mm × 14mm × 1mm LQFP package and rated for an operating temperature of −40°C to +85°C, AD8451 is ideal for battery cell formation & testing and battery module testing.
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Category   Semiconductors >  Power Management ICs >  Battery Management

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Output Voltage
Output Current
Operating Supply Voltage
Operating Supply Current
Maximum Operating Temperature
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Analog Devices AD8451ASTZ

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Analog Devices Battery Management Vregulator,Precision Currrent Measurement
Datasheet 78
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Battery Protection Li-Ion 2.5 V 10 mA 36 V 7 mA + 85 C - 40 C LQFP-80 Tray

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Analog Devices Battery Management Vregulator, Prec Current Meas
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