具有锂离子电池充电器的多通道电源管理 IC PMIC
The 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.
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**INTEGRATED POWER SUPPLIES**
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3 Programmable Step-Down converters
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Software Controlled Enable/Forced PWM Mode
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Automatic Power Saving Mode
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Maximum 1.5 A Outputs SM0 and SM2Maximum 2.0 A Output SM1
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11 Programmable General Purpose LDOs
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7 With Output Voltages of 1.25V to 3.3V
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2 With Output Voltages of 0.725V to 1.5V or 1.25V to 2.586V factory configurable
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1 “Always On” With Output Voltages of 1.25V to 3.3V
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1 With Output Voltage of 1.70V–2.475V
* **DISPLAY SUPPORT FUNCONS**
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4 PWM Outputs With Programmable Frequency and Duty Cycle
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Dual RGB LED Drivers
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Constant Current WLED Driver
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26.5V max at 25mA
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Over-Voltage Protection
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Programmable Current Level and Brightness Control
* **HOST INTERFACE**
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Interrupt Controller With Maskable Interrupts
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External ADC Triggering and Step-Down Converter Mode Control
* **SYSTEM MANAGEMENT**
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Dual Input Power Path
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USB Current Limiting
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Max 18V Over-Voltage Protection
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Power Good Monitoring on all Supply Outputs
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Software Reset Function
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Hardware On/Off and Reboot Control
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Momentary Power Loss MPL support
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AUTOBOOT support
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11 Channel ADC With 3 Operating Modes
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Single Conversion
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Peak Detection
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Averaging
* APPLICATIONS
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Netbooks
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Portable Navigation Devices
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Portable Media Players