1 INTRODUCTION
1.1 MAIN FEATURES
12
• 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.A 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
programmable)
• 1 “ Always On” With Output Voltages of
1.25V to 3.3V
• 1 With Output Voltage of 1.7V–2.475V
• DISPLAY SUPPORT FUNCTIONS
– 3 PWM Outputs With Programmable
Frequency and Duty Cycle
– Dual RGB LED Drivers
• HOST INTERFACE
– I2C Bus
– Interrupt Controller With Maskable Interrupts
– GPIO Control (4)
• SYSTEM MANAGEMENT
– Power Good Monitoring on all Supply
Outputs
– Software Reset Function
– Hardware On/Off and Reboot Control
– Real Time Counter
– 11 Channel ADC With 3 Operating Modes
• Single Conversion
• Peak Detection
• Averaging

1.2 APPLICATIONS
• Tablet PCs
• Netbooks
• SmartPhones
• Portable Navigation Devices
• Portable Media Players

1.3 DESCRIPTION
The TPS658643 provides an easy to use, fully integrated solution for handheld devices, integrating
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.