AD8452
AD8452 is Precision Integrated Analog Front End / Controller and PWM manufactured by Analog Devices.
FEATURES
GENERAL DESCRIPTION
CC and CV battery test and formation modes with transparent and automatic switchover, for systems of 20 Ah or less
Precise measurement of voltage and current Independent feedback control blocks Highly accurate, factory trimmed instrumentation and differential amplifiers In-amp for current sense gain: 66 V/V Difference amplifier for voltage sense gain: 0.4 V/V
Stable over temperature: offset voltage drift <0.6 µV/°C (maximum)
Gain drift: <3 ppm/°C (maximum) Current sense CMRR: 120 d B minimum Popular SMPS control for charge/discharge High PWM linearity with internal ramp voltage 50 k Hz to 300 k Hz user controlled switching frequency Synchronization output or input with adjustable phase shift Programmable soft start
APPLICATIONS
Battery formation and testing High efficiency battery test systems with recycle capability Battery conditioning...
