TPS658600ZQZT

先进的电源管理单元 Advanced Power Management Unit

OVERVIEW

The TPS658600 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 6x6 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.

INTRODUCON

MAIN FEATURES

• BATTERY CHARGER

   – Complete Charge Management Solution for a Single Cell Li-Ion/Li-Pol Cell With Dynamic Power Management and Thermal Foldback.

   – Maximum 1.0A charge current

   – Programmable Adapter and USB Charge Operation

• INTEGRATED POWER SUPPLIES

   – 3 Programmable Step-Down converters

• Software Controlled Enable/Forced PWM Mode

• Automatic Power Saving Mode

• Maximum 1.2A Outputs

   – 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 Path

• USB 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

• Smart Phones

• Portable Navigation Devices

• Portable Media Players