描述 Description

The TPS658621C provides an easy to use, fully integrated solution for handheld devices, integrating charge management, multiple regulated power supplies, system management and display functions in a small package. The I2C interface enables control of a wide range of subsystem parameters. Internal registers have a complete set of status information, enabling easy diagnostics and host-controlled handling of fault conditions.

特性 Features

? INTEGRATED POWER SUPPLIES
? 3 Programmable Step-Down converters
- Software Controlled Enable/Forced PWM Mode
? Automatic Power Saving Mode
? Maximum 1.5A Outputs (SM0 and SM2)Maximum 2.0A Output (SM1)
? 11 Programmable General Purpose LDOs
- 7 With Output Voltages of 1.25V to 3.3V
? 2 With Output Voltages of 0.725V to 1.5V or 1.25V to 2.586V (factory configurable)
? 1 “Always On” With Output Voltages of 1.25V to 3.3V
? 1 With Output Voltage of 1.70V–2.475V

? DISPLAY SUPPORT FUNCTIONS
? 4 PWM Outputs With Programmable Frequency and Duty Cycle
? Dual RGB LED Drivers
? Constant Current WLED Driver
- 26.5V (max) at 25mA
? Over-Voltage Protection
? Programmable Current Level and Brightness Control

? HOST INTERFACE
? Interrupt Controller With Maskable Interrupts
? External ADC Triggering and Step-Down Converter Mode Control

? SYSTEM MANAGEMENT
? Dual Input Power PathUSB Current Limiting Max 18V Over-Voltage Protection
? Power Good Monitoring on all Supply Outputs
? Software Reset Function
? Hardware On/Off and Reboot Control
? 11 Channel ADC With 3 Operating Modes Single Conversion Peak Detection Averaging

? APPLICATIONS
? Netbooks
? Portable Navigation Devices
? Portable Media Players