TPS658621D Datasheet, PDF (1/8 Pages) Texas Instruments – Advanced Power Management Unit

TPS658621D
www.ti.com
Advanced Power Management Unit
Check for Samples: TPS658621D
SLVSAJ3 – AUGUST 2010
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 1.5 A Outputs (SM0 and SM2)
• Maximum 2.0 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 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
– Momentary Power Loss (MPL) support
– AUTOBOOT support
– 11 Channel ADC With 3 Operating Modes
• Single Conversion
• Peak Detection
• Averaging
1.2 APPLICATIONS
• Netbooks
• Portable Navigation Devices
• Portable Media Players
1.3 DESCRIPTION
The TPS658621D 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.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
I²C is a trademark of NXP B. V Corporation.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2010, Texas Instruments Incorporated