TPS658621C

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 1.5A Outputs SM0 and SM2Maximum 2.0A 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

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**DISPLAY SUPPORT FUNC ONS**

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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

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**HOST INTERFACE**

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Interrupt Controller With Maskable Interrupts

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External ADC Triggering and Step-Down Converter Mode Control

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**SYSTEM MANAGEMENT**

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Dual Input Power Path USB Current Limiting 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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11 Channel ADC With 3 Operating Modes Single Conversion Peak Detection Averaging

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APPLICATIONS

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Netbooks

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Portable Navigation Devices

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Portable Media Players