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TPS65217BRSLT
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TPS65217BRSLT

  • 所属类别:电源管理芯片
  • 产品名称:PMIC Solutions Sgl Chip Pwr Sol
  • 厂商:TEXAS INSTRUMENTS
  • 生产批号:12+
  • 封装:48VQFN
  • 库存状态:有库存
  • 库存量:3000
  • 最低订购量:1
  • 详细资料:点击查找TPS65217BRSLT的pdf资料
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  • Product Introduction

TPS65217BRSLT PMIC Solutions Sgl Chip Pwr Sol needs to be ordered in 2-3 weeks, instructions

 

TPS65217 is a single-chip power management IC specifically designed to support the AM335x family of application processors in both portable and 5-V, non-portable applications. It provides a linear battery charger for single lithium-ion and lithium-polymer batteries, dual-input power paths, 3 buck converters, 4 LDOs, and a high-efficiency boost converter to power 2 strings of LEDs of up to 10 LEDs per string. The system can be powered by a USB port, a 5-V AC adapter, or any combination of lithium-ion batteries. The device is rated for an operating temperature range of –40°C to +105°C, making it suitable for industrial applications. The purpose of the three high-efficiency 2.25-MHz buck converters is to provide core voltage, memory, and/or I/O voltage for a processor-based system. Temperature sensor

To achieve maximum efficiency over the maximum possible load current range, they enter low power mode at light loads. For low-noise applications, the device can be forced into fixed-frequency PWM by using an I2C interface. This step-down converter allows for the use of small inductors and capacitors to achieve a small solution size.

LDO1 and LDO2 are designed to support system standby mode. In the sleep state, the output current is limited to 100 μA to reduce quiescent current, while in normal mode, they can each support 100 mA. The LDO3 and LDO4 can each support up to 200 mA and can be configured as a load switch instead of a regulator. All 4 LDOs have a wide input voltage range that allows them to be powered by one of the DCDC converters or directly from the system voltage node.

By default, only LDO1 is always on (ON), but either rail can be configured to stay asleep. In particular, DCDC converters can continue to be in a low-power pulse frequency modulation (PFM) mode to support processor pause mode.

TPS65217 Provides flexible power-up and power-off timings and several housekeeping functions such as power normal output, push-button monitor, hardware reset function, and temperature sensor to protect the battery.

TPS65217A Supports the AM335x processor in a ZCE package, which does not support DVFS (Dynamic Voltage and Frequency Scaling). Within this package, the VDD_MPU and VDD_CORE power supplies are shorted together and only require a single rail. To power the DDR2 memory, the DCDC1 output voltage is set at 1.8 V. TPS65217B targets the AM335x processor in a ZCZ package, which supports DVFS and requires dedicated DCDC converters for the VDD_MPU and VDD_CORE rails. To power the DDR2 memory, the DCDC1 output voltage is set at 1.8 V. TPS65217C is used in AM335x processors in a ZCZ package, but to power DDR3 memory, the DCDC1 output voltage is set at 1.5 V. LDO3 is set at 1.8 V and supports currents up to 400-mA. See Application Notes SLVU551 for details.

TPS65217A, the TPS65217B and TPS65217C are available in a 48-pin leadless package (6-mm x 6-mm QFN) with a 0.4-mm pin pitch.

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TPS65217BRSLT TEXAS INSTRUMENTS 12+ 48VQFN PMIC Solutions Sgl Chip Pwr Sol

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