TPS658621A

TPS658621A www.ti.com Advanced Power Management Unit Check for Samples: TPS658621A SLVSA58 – DECEMBER 2009 1 INTRODUCTION 1.1 MAIN FEATURES 1 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 1.2 APPLICATIONS Smart Phones Port...