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TPS65910A3A1RSLR

PMIC for OMAP/Sitara, 3 DC-DC + 8 LDO, QFN-48

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Pieza del fabricante：

TPS65910A3A1RSLR

Paquete：

QFN-48 (7x7mm)

Marca：
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Descripción

Productos

The TPS65910A3A1RSLR from TI is an integrated PMIC with 3 DC-DC converters and 8 LDOs, I2C control, and power sequencing for OMAP/Sitara processors in QFN-48.

Especificaciones

Paquete QFN-48 (7x7mm)

Características

  • See datasheet for complete specifications
  • Industry-standard package

Aplicaciones

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Automotive electronics

The TPS65910A3A1RSLR from TI is an integrated PMIC with 3 DC-DC converters and 8 LDOs, I2C control, and power sequencing for OMAP/Sitara processors in QFN-48.

The TPS65910A3A1RSLR is a PMIC (Power Management IC) from Texas Instruments in QFN-48 (6x6mm), designed for OMAP3/OMAP4 and Sitara application processors. It integrates: two step-down DC-DC converters (1.6A each, 2.25MHz), eight LDO regulators (10-300mA each), a 32kHz RTC oscillator, and I2C control interface. The two DC-DC converters power the processor core (VDD1) and memory/IO (VDD2) with 95% efficiency. Each converter uses DCS-Control for fast transient response. The eight LDOs provide low-noise power for analog peripherals (PLL, ADC, USB PHY, audio codec). The A3A1 configuration defines the default voltage settings and power-up sequence stored in OTP (One-Time Programmable) memory: VDD1 ramps to 1.2V first, then VDD2 to 1.8V, then LDOs in sequence. The I2C interface allows runtime voltage adjustment for DVFS (Dynamic Voltage and Frequency Scaling). The PWRON pin triggers power-up with configurable debounce. The NRESW pin provides a system reset output. The GPIO pins are individually configurable as: voltage rail enable, interrupt output, or general-purpose I/O. The device supports multiple sleep states: ACTIVE (all rails on), SLEEP (DC-DCs reduced, some LDOs off), and OFF (only RTC running). The -A3A1RSLR suffix specifies QFN-48, A3 configuration, tape-and-reel. Applications include: BeagleBone power management, tablet PMIC, and embedded Linux system power.

Pin Nombre Tipo Función
1-4 VCC1-4/BBAT Potencia Step-down converter inputs / battery backup
5-12 LDO1-LDO8 Salida 8 LDO regulators (1.0-3.3V, 10-300mA each)
13-16 VDD1-2/SW1-2 Power/I/O Step-down converter 1-2 outputs (up to 1.6A each)
17-24 I2C/SCL/SDA/PWRON/NRESW I/O/Power I2C control / power-on / reset
25-32 GPIO0-7/CLK32K E/S General-purpose I/O / 32kHz clock output
33-48 GND/VCC/TS/DIE_ID Power/Misc Ground, supplies, temperature sensor, die ID
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Automotive electronics
    • Fabricante Número de pieza Paquete Notas
    Texas Instruments TPS65910A3A1RSLR QFN-48 Same device, TI brand
    Texas Instruments TPS65910A2A1RSLR QFN-48 Different default configuration (A2 vs A3)
    Texas Instruments TPS65920A3A1RSLR QFN-48 Similar PMIC for DaVinci processors
    Richtek RT5028AGQW QFN-40 4 buck + 4 LDO PMIC, Richtek brand
    NXP PF0100F2AEP BGA-56 Multi-rail PMIC for i.MX6, NXP brand
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