AM335x power options TPS65217: PMU w/ lin-charger and WLED Jan ‘12 • Dual Input Linear Charger • ~50% smaller total solution compared to discrete 700mA Charge Current Max • Supported on Beagle-Bone board 3 Step Down Converters • WLED backlight -> up to 5’ displays 3x 1.2A. Vout externally adjustable. 2.25MHz Switching Frequency 4 Low Dropout Regulators 2 x 100mA 2 x 200mA (also configurable as Load Switches) WLED Driver 38V Output for up to 2 x 10 LED in series Voltage Supervisor 2 I C Interface 48 pin QFN (6x6mm / 0.4mm pitch) or (7x7mm / 0.5mm pitch) • TI Cortex A8 MPU processor (AM335x): • TPS65217A: AM335X –ZCE • TPS65217B: AM335X -ZCZ TPS65910A: PMU for Cortex A8 with RTC Released • 2 step-down converters with Smart Reflex capability, for core supplies (1.5A) • 1.8V/3.3V step-down converter for IO (1A) • 1 boost 5V/100mA • 8 configurable Low noise LDOs for peripherals and processor power rails • Flexible clocking with 3 modes • 32kHz crystal oscillator • 32kHz integrated RC oscillator • 32kHz clock input (slave mode) • Real Time Clock & register • Backup battery charger • Thermal Shutdown protection and Hot Die Detection • Dedicated High Speed I2C serial control & Smart Reflex • Efficient HW Sleep Mode management • QFN Package 6x6 mm, 0.4mm pitch (POR) • Cortex A8 processors like OMAP/ Sitara, AM335x and other vendors. • Consumer and industrial applications • Fast time-to-market: proven ref-designs for several OMAP, Sitara and other processors. Several available ref-designs. • Integration: 50% smaller footprint than discrete, ideal for portable applications. Also 32KHz clock and RTC integration. • Competitive pricing for cost-sensitive applications. • Supported on AM335x EVM 3x DCDC 8x LDO Power manager Clock Manager 32kHz RTC Boost (5V) Back-Up Battery Charger Thermal protection GPIOs TPS650250: flexible PMU with 3 DCDC and 3 LDO Released • 6 Outputs: 3 DC/DC and 3 LDO • DCDC1: 1.6A, 97% Efficient for System Voltage: 3.3V or 2.8V or Adjustable • DCDC2: 0.8A, up to 95% Efficient for Memory Voltage: 1.8V or 2.5V or Adjustable • DCDC3: 0.8A, 90% Efficient for Processor Core: adjustable output voltage • 2 × 200mA General Purpose LDOs (LDO1 and LDO2): adjustable output voltages • 30mA LDO3 for Vdd_alive • 2.25MHz DCDC Switching Frequency • 85uA Quiescent Current • PWM / PFM Modes • DC/DC with separate Enable Pins • Package: 5x5mm2 QFN-32 (0.5mm Pitch) • ARM11 and Cortex A8 processors like AM335x • Portable consumer/ industrial devices • • • • • • • • • On SubArtic ref-design Lowest cost solution. Output voltages can be set by external resistor dividers. This Vout flexibility makes it a perfect all-rounder to power any processor family. Flexible sequencing due to the separate enable pins Ideal for low-power and single-cell Li-Ion applications High efficiency at light loads Power saving capability Small solution size