Datasheet AD8452 (Analog Devices) - 2

制造商Analog Devices
描述Precision Integrated Analog Front End, Controller, and PWM for Battery Test and Formation Systems
页数 / 页35 / 2 — AD8452* PRODUCT PAGE QUICK LINKS Last Content Update: 11/03/2017. …
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AD8452* PRODUCT PAGE QUICK LINKS Last Content Update: 11/03/2017. COMPARABLE PARTS. DESIGN RESOURCES. EVALUATION KITS

AD8452* PRODUCT PAGE QUICK LINKS Last Content Update: 11/03/2017 COMPARABLE PARTS DESIGN RESOURCES EVALUATION KITS

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AD8452* PRODUCT PAGE QUICK LINKS Last Content Update: 11/03/2017 COMPARABLE PARTS DESIGN RESOURCES
View a parametric search of comparable parts. • AD8452 Material Declaration • PCN-PDN Information
EVALUATION KITS
• Quality And Reliability • AD8452 Evaluation Board • Symbols and Footprints
DOCUMENTATION DISCUSSIONS Data Sheet
View all AD8452 EngineerZone Discussions. • AD8452: Precision Integrated Analog Front End, Controller, and PWM for Battery Test and Formation
SAMPLE AND BUY
Systems Data Sheet Visit the product page to see pricing options.
User Guides
• UG-1180: Universal Evaluation Board for the AD8452
TECHNICAL SUPPORT
• UG-1181: AD8452 System Demo Evaluation Board Submit a technical question or find your regional support number.
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Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Analog Front-End and Controller Specifications Pulse-Width Modulator Specifications Digital Interface Specifications Power Supply Temperature Range Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics In-Amp Characteristics Difference Amplifier Characteristics CC and CV Loop Filter Amplifiers and VSET Buffer (except where Noted) Reference Characteristics Pulse-Width Modulator Theory of Operation Introduction Instrumentation Amplifier (In-Amp) Reversing Polarity When Charging and Discharging In-Amp Offset Option Battery Reversal and Overvoltage Protection Difference Amplifier CC and CV Loop Filter Amplifiers Charging Lithium-Ion (Li-Ion) Cells Concepts of Constant Current (CC) and Constant Voltage (CV) Compensation Charge and Discharge Control Conditions to Charge and Discharge a Battery MODE Pin Input and Output Supply Pins Shutdown Undervoltage Lockout (UVLO) Soft Start PWM Drive Signals Peak Current Protection and Diode Emulation (Synchronous) Peak Current-Limit Detection Diode Emulation/Synchronous Mode Operation Frequency and Phase Control Internal Frequency Control External Frequency Control Operating Frequency Phase Shift Maximum Duty Cycle Fault Input Thermal Shutdown (TSD) Applications Information Analog Controller Functional Description Power Supply Connections Current Sense In-Amp Connections Current Sensors Optional Low-Pass Filter Voltage Sense Differential Amplifier Connections Battery Current and Voltage Control Inputs (ISET and VSET) Loop Filter Amplifiers Selecting Charge or Discharge Options Select RCL and RCLVT for the Peak Current Limit Setting the Operating Frequency and Programming the Synchonization Pin Select RFREQ for Standalone or Master Clock Selecting RFREQ for a Slave Device Programming the External Clock Phase Shift Programming the Dead Time Programming the Maximum Duty Cycle Selecting CSS Additional Information Outline Dimensions Ordering Guide