TPS3813K33-EP 具有视窗看门狗的增强型产品处理器监控电路

The TPS3813 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems.

During power on, RESET is asserted when supply voltage (VDD) becomes higher than 1.1 V. Thereafter, the supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage (VIT). An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, td = 25 ms typical, starts after VDD has risen above the threshold voltage (VIT). When the supply voltage drops below the threshold voltage (VIT), the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage (VIT) set by an internal voltage divider

	TPS3813K33-EP
# of supplies monitored	1
Iq (Typ) (uA)	9
Output Driver Type / Reset Output	Active-low,Open-drain
Reset Threshold Accuracy (%)	2.2
Time Delay (ms)	25
VCC (Min) (V)	2
VCC (Max) (V)	6
Threshold Voltage 1 (typ) (Typ) (V)	2.93
Monitored Voltage 1 (typ) (Nom) (V)	3.3
Watchdog Timer WDI (sec)	Programmable
Pin/Package	6SOT-23
Rating	HiRel Enhanced Product

TPS3813K33-EP 特性

Controlled Baseline
- One Assembly/Test Site, One Fabrication Site
Extended Temperature Performance of -55°C to 125°C
Enhanced Diminishing Manufacturing Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree(1)
Window-Watchdog With Programmable Delay and Window Ratio
6-Pin SOT-23 Package
Supply Current of 9 µA (Typ)
Power On Reset Generator With a Fixed Delay Time of 25 ms
Precision Supply Voltage Monitor 2.5 V, 3 V, 3.3 V, 5 V
Open-Drain Reset Output
APPLICATIONS
- Applications Using DSPs, Microcontrollers, or Microprocessors
- Safety Critical Systems
- Automotive Systems
- Healing Systems

TPS3813K33-EP 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
2T13K33MDBVREPG4	ACTIVE	-55 to 125	2.90 \| 100u	SOT-23 (DBV) \| 6	3000 \| LARGE T&R
TPS3813K33MDBVREP	ACTIVE	-55 to 125	2.90 \| 100u	SOT-23 (DBV) \| 6	3000 \| LARGE T&R
V62/06627-01XE	ACTIVE	-55 to 125	2.90 \| 100u	SOT-23 (DBV) \| 6	3000 \| LARGE T&R

TPS3813K33-EP 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
2T13K33MDBVREPG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	2T13K33MDBVREPG4	2T13K33MDBVREPG4
TPS3813K33MDBVREP	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3813K33MDBVREP	TPS3813K33MDBVREP
V62/06627-01XE	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	V62/06627-01XE	V62/06627-01XE

TPS3813K33-EP 工具与软件

培训内容	型号	软件/工具类型
最常用开关模式电源的功率级设计器	POWERSTAGE-DESIGNER	分析软件