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TPS65921 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65921 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 70 page  Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65921 SWCS048G – MARCH 2010 – REVISED SEPTEMBER 2014 TPS65921 Power Management and USB Single Chip 1 Device Overview 1.1 Features 1 – 32-kHz Crystal Oscillator • Three Step-Down Converters: – Clock Slicer for 26, 19.2, and 38.4 MHz – Up to 1.2 A of Output Current for VDD1 – HF Clock Output Buffer • TPS65921B Supports VDD1 up to 1.2 A • USB: • TPS65921B1 Supports VDD1 up to 1.4 A – USB HS 2.0 Transceiver (Necessary for 1-GHz Operation) – USB 1.3 OTG-Compliant – SmartReflex™ Dynamic Voltage Management – 12-Bit ULPI 1.1 Interface – 3.2-MHz Fixed Frequency Operation – USB Power Supply (5-V CP for VBUS) – VIN Range from 2.7 to 4.5 V • Control – Typical 30 µA Quiescent per Converter – High-Speed I2C Interface • Four General-Purpose Configurable LDOs: – All Resource Configurable by I2C – Dynamic Voltage Scaling • Keypad Interface up to 8 × 8 – 220-mA Maximum Current for One LDO • 10-Bit A/D Converter – VIN Range from 2.7 to 4.5 V • Hot-Die, Thermal Shutdown Protection – 2 LDOs With Low Noise and High PSRR • µ*BGA 120 Balls ZQZ • RTC With Alarm Wake-Up Mechanism • Clock Management 1.2 Applications • Mobile Phones and Smart Phones • E-Books • MP3 Players • OMAP™ and Low-Power DSP Supply • Handheld Devices 1.3 Description The TPS65921 device is a highly integrated power-management circuit (IC) that supports the power and peripheral requirements of the OMAP application processors. The device contains power management, a universal serial bus (USB) high-speed (HS) transceiver, an analog-to-digital converter (ADC), a real-time clock (RTC), a keypad interface, and an embedded power control (EPC). The power portion of the device contains three buck converters, two controllable by a dedicated SmartReflex class-3 interface, multiple low-dropout (LDO) regulators, an EPC to manage the power-sequencing requirements of OMAP, and an RTC module. The USB module provides an HS 2.0 transceiver suitable for direct connection to the OMAP universal transceiver macrocell interface (UTMI) + low pin interface (ULPI) with an integrated charge pump (CP). The device also provides auxiliary modules: ADC, keypad interface, and general-purpose inputs/outputs (GPIOs) muxed with the JTAG functions. The keypad interface implements a built-in scanning algorithm to decode hardware-based key presses and to reduce software use, with multiple additional GPIOs that can be used as interrupts when they are configured as inputs. Device Information(1) PART NUMBER PACKAGE BODY SIZE TPS65921ZQZ ZQZ (120) 6.00 mm × 6.00 mm (1) For more information, see Section 7, Mechanical Packaging and Orderable Information. 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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