描述 Description

The TWL6032 device is an integrated power-management integrated circuit (PMIC) for applications powered by a rechargeable battery. The device provides five configurable step-down converters with a current capability of up to 5.0 A for memory, processor core, I/O, auxiliary, preregulation for LDOs, and so forth. The device also contains nine LDO regulators for external use that can be supplied from a battery or a preregulated supply. The power-up and power-down controller is configurable and can support any power-up or power-down sequence (programmed in OTP memory). The RTC provides three 32-kHz clock outputs: seconds, minutes, hours, day, month, and year information; as well as alarm wakeup and timer. The TWL6032 device supports 32-kHz clock generation based on a crystal oscillator.The device integrates a switched-mode system supply regulator from a USB connector. The switched-mode regulator includes power paths from the USB and battery with supplemental mode for immediate startup, even with an empty battery. The battery switch uses an external low-ohmic PMOS transistor allowing minimal serial resistance during fast charging and when operating from battery. The device can also be used without the external PMOS transistor; in this case, the battery is always tied to the system supply and the switched-mode regulator is used for battery charging. The TWL6032 device is available in a 155-pin WCSP package, 5.21 mm × 5.36 mm with a 0.4-mm ball pitch.

特性 Features

? Five Highly Efficient Buck Converters
? One 6 MHz, 0.6 to 2.1 V at 2.5 A, DVS-Capable
? Extended Mode for Higher Output Voltages
? 11 General-Purpose Low-Dropout Voltage Regulators (LDOs)
? One Can be Used as Vibrator Driver
? One Low-Noise 1.0 to 3.3 V at 50 mA With Battery or Preregulated Supply
? Two LDOs for TWL6032 Internal Use
? USB OTG Module:
? Accessory Detection Protocol (ADP) Support
? Backup Battery Charger
? Seven External Input Channels
? 13-Bit Coulomb Counter With Four Programmable Integration Periods
? 8 μA in BACKUP State
? 110 μA in SLEEP State, With Two DC-DC Converters Active
? Real-Time Clock (RTC) With Timer and Alarm Wake-Up:
? SIM and SD/MMC Card Detections
? Thermal Monitoring:
? Thermal Shutdown
? Control:
? Configurable Sequences Between SLEEP and ACTIVE States (OTP Memory)
? Two Inter-Integrated Circuit (I2C) Interfaces
? System Voltage Regulator and Battery Charger With Power Path From USB:
? 3-MHz Switched-Mode Regulator With Integrated Power FET for up to 2.0-A Current
? External Low-Ohmic FET for Power Path and Battery Charging
? Supplement Mode to Deliver Current From Battery During Power Path Operation
? Safety Timer and Reset Control
? Input/Output Overvoltage Protection
? Compliant With:
? OTG and EH 2.0
? YD/T 1591-2006
? Battery Voltage Range From 2.5 to 5.5 V
? Package 5.21-mm × 5.36-mm 155-Pin WCSP