Datasheet Texas Instruments TPS658621CZQZR — 数据表

TPS658621C
www.ti.com SLVSAJ2 – AUGUST 2010 Advanced Power Management Unit
Check for Samples: TPS658621C 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 2.0A 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 1.3 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 Netbooks …