TPS658621A
www.ti.com
SLVSA58–DECEMBER 2009
Advanced Power Management Unit
Check for Samples: TPS658621A
1 INTRODUCTION
1.1 MAIN FEATURES
1
•
Max 18V Over-Voltage Protection
• BATTERY CHARGER
– Power Good Monitoring on all Supply
Outputs
– Software Reset Function
– 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
– Hardware On/Off and Reboot Control
– 11 Channel ADC With 3 Operating Modes
•
•
•
Single Conversion
Peak Detection
Averaging
• INTEGRATED POWER SUPPLIES
– 3 Programmable Step-Down converters
•
Software Controlled Enable/Forced PWM
Mode
1.2 APPLICATIONS
•
•
Automatic Power Saving Mode
Maximum 1.2A Outputs
•
•
•
Smart Phones
Portable Navigation Devices
Portable Media Players
– 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
1
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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 © 2009, Texas Instruments Incorporated