TPS386040 具有可编程延迟和看门狗定时器的四路电源电压监控器
TPS386040 描述
The TPS3860x0 family of voltage supervisors can monitor four power rails that are greater than 0.4V and one power rail less than 0.4V (including negative voltage) with a 0.25% (typical) threshold accuracy. Each of the four supervisory circuits (SVS-n) assert a RESETn or RESETn output signal when the SENSEm input voltage drops below the programmed threshold. With external resistors, the threshold of each SVS-n can be programmed (where n = 1, 2, 3, 4 and m = 1, 2, 3, 4L, 4H).
Each SVS-n has a programmable delay before releasing RESETn or RESETn, and the delay time can be set from 1.4ms to 10s through the CTn pin connection. Only SVS-1 has an active-low manual reset (MR) input; a logic-low input to MR asserts RESET1 or RESET1
|
TPS386000 |
TPS386040 |
TPS386060 |
TPS386596 |
| No. of Supervisors |
4 |
4 |
4 |
4 |
| Vit1(Typ)(V) |
Adj |
Adj |
Adj |
2.90 |
| Vit2(Typ)(V) |
Adj |
Adj |
Adj |
Adj |
| Vit3(Typ)(V) |
Adj |
Adj |
Adj |
Adj |
| Vit4(Typ)(V) |
Adj |
Adj |
Adj |
Adj |
| Reset Threshold Accuracy(%) |
1 |
1 |
1 |
0.25 |
| Time Delay(ms) |
Fixed: 20ms and 300ms, Programmable: 1.4ms to 10s |
Fixed: 20ms and 300ms, Programmable: 1.4ms to 10s |
Fixed: 20ms and 300ms, Programmable: 1.4ms to 10s |
Fixed: 50ms |
| # of supplies monitored |
4 |
4 |
4 |
4 |
| Reset Output |
Active Low |
Active Low |
Active High |
Active Low |
| Output Driver Type |
Open Drain |
Push/Pull |
Push/Pull |
Open Drain |
| IDD(Typ)(uA) |
12 |
12 |
12 |
7 |
| Pin/Package |
20QFN |
20QFN |
20QFN |
8MSOP |
| Rating |
Catalog |
Catalog |
Catalog |
Catalog |
TPS386040 特性
- 4 Complete SVS Modules on 1 Silicon Platform
- Programmable Delay Time: 1.4ms to 10s
- Very Low Quiescent Current: 12uA typ
- Threshold Accuracy: 0.25% typ
- SVS-1: Manual Reset (MR) Input
- SVS-1,2,3: Adjustable Threshold Down to 0.4V
- SVS-4: Adjustable Threshold at Any Positive/Negative Voltage with VREF (1.2V)
- SVS-4: Window Comparator
- Watchdog Timer with Dedicated Output
- Well-Controlled RESETn Output During Power-Up
- TPS386000: Open-Drain RESETn and WDO
- TPS386020: Open-Drain RESETn and WDO
- TPS386040: Push-Pull RESETn and WDO
- TPS386060: Push-Pull RESETn and WDO
- Package: 4mm x 4mm, 20-pin QFN
- APPLICATIONS
- Analog Sequencing
- All DSP and Microcontroller Applications
- All FPGA/ASIC Applications
TPS386040 芯片订购指南
| 器件 |
状态 |
温度 (oC) |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| TPS386040RGPR |
ACTIVE |
-40 to 125 |
2.20 | 1ku |
QFN (RGP) | 20 |
3000 | LARGE T&R |
TPS
386040 |
| TPS386040RGPT |
ACTIVE |
-40 to 125 |
2.55 | 1ku |
QFN (RGP) | 20 |
250 | SMALL T&R |
TPS
386040 |
TPS386040 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| TPS386040RGPR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
TPS386040RGPR |
TPS386040RGPR |
| TPS386040RGPT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
TPS386040RGPT |
TPS386040RGPT |
TPS386040 应用技术支持与电子电路设计开发资源下载
- TPS386040 数据资料 dataSheet 下载.PDF
- TI 德州仪器监控电路（电压监控器）产品选型与价格 . xls
TPS386040 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| TPS386040 评估模块 |
TPS386040EVM |
Texas Instruments |
开发电路板/EVM |