TPS65921
- Three Step-Down
Converters:
- Up to 1.2 A of Output Current for
VDD1
- TPS65921B Supports VDD1 up to 1.2 A
- TPS65921B1 Supports VDD1 up to 1.4 A (Necessary for 1-GHz Operation)
- SmartReflex Dynamic Voltage Management
- 3.2-MHz Fixed Frequency Operation
- VIN Range from 2.7 to 4.5 V
- Typical 30 µA Quiescent per Converter
- Up to 1.2 A of Output Current for
VDD1
- Four General-Purpose Configurable LDOs:
- Dynamic Voltage Scaling
- 220-mA Maximum Current for One LDO
- VIN Range from 2.7 to 4.5 V
- 2 LDOs With Low Noise and High PSRR
- RTC With Alarm Wake-Up Mechanism
- Clock Management
- 32-kHz Crystal Oscillator
- Clock Slicer for 26, 19.2, and 38.4 MHz
- HF Clock Output Buffer
- USB:
- USB HS 2.0 Transceiver
- USB 1.3 OTG-Compliant
- 12-Bit ULPI 1.1 Interface
- USB Power Supply (5-V CP for VBUS)
- Control
- High-Speed I2C Interface
- All Resource Configurable by I2C
- Keypad Interface up to 8 × 8
- 10-Bit A/D Converter
- Hot-Die, Thermal Shutdown Protection
- µ*BGA 120 Balls ZQZ
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.
技术文档
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | TPS65921 Power Management and USB Single Chip 数据表 (Rev. G) | PDF | HTML | 2014-9-29 | ||
| * | 用户指南 | Differences in Features for TPS65920 and TPS65921 (Rev. B) | 2010-12-17 | |||
| * | 勘误表 | TPS65921 Silicon Errata | 2010-9-8 | |||
| 用户指南 | IPM MicroStar BGA Discontinued and Redesigned | 2020-11-3 | ||||
| 选择指南 | 电源管理指南 2018 | 2018-7-31 | ||||
| 用户指南 | TPS65921 Register Manual (Rev. C) | 2012-3-15 | ||||
| 应用手册 | TPS65921 PCB Layout Guidelines (Rev. A) | 2012-3-15 | ||||
| 应用手册 | Using Power IC for OMAP34xx to 36xx Family | 2011-1-24 | ||||
| 应用手册 | TPS65950/930/920/921 USB Eye Diagram Trimming | 2010-11-19 | ||||
| 应用手册 | TPS65921 USB Charger Detection | 2010-11-17 |
设计与开发
如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。
TWL4030SW-LINUX — 用于 TWL4030 的 Linux 驱动程序
The Linux driver supports the TWL4030 series of Integrated Power Management ICs. The Linux driver supports communication through the I2C bus and interfaces with various sub-systems.
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
Supported Devices:
- twl4030
- (...)
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| JRBGA (ZQZ) | 120 | Ultra Librarian |
| NFBGA (ZBH) | 120 | Ultra Librarian |