TPL9202
- Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for Self Protection
- Seven Outputs are Rated at 150 mA and Controlled Through Serial Interface
- One Output Rated at 150 mA and Controlled Through Serial Interface and Dedicated Enable Pin
- 5-V ±5% Regulated Power Supply With 200-mA Load Capability at VIN Max of 18 V
- Internal Voltage Supervisory for Regulated Output
- Serial Communications for Control of Eight Low-Side Drivers
- Enable/Disable Input for OUT1
- 5-V or 3.3-V I/O Tolerant for Interface to Microcontroller
- Programmable Power On-Reset Delay Before RST Asserted High, Once 5 V Is Within Specification (6 ms Typ)
- Programmable Deglitch Timer Before RST Is Asserted Low (40 µ Typ)
- Programmable Brown-Out Feature
- Thermal Shutoff for Self Protection
- APPLICATIONS
- Electrical Applicances
- Air Conditioning Units
- Ranges
- Dishwashers
- Refrigerators
- Microwaves
- Washing Machines
- General-Purpose Interface Circuit Allowing Microcontroller Interface to Relays, Electric Motors, LEDs, and Buzzers
- Electrical Applicances
PowerPAD is a trademark of Texas Instruments.
The power supply provides regulated 5-V output to power the system microcontroller and drive eight low-side switches. The brown-out detection output (BO_OUTZ) warns the system if there is a temporary drop in the supply voltage, so the system can prevent potentially hazardous situations.
A serial communications interface controls the eight low-side outputs; each output has an internal snubber circuit to absorb the inductive load at turn OFF. Alternatively, the system can use a fly-back diode to VIN to help recirculate the energy in an inductive load at turn OFF.
技术文档
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| 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 | 8-Channel Relay Driver With Integrated 5-V LDO and Brown-Out Detection 数据表 (Rev. D) | 2008-2-13 |
设计与开发
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| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 20 | Ultra Librarian |