【IC】小尺寸、低功耗！思瑞浦发布高性能车规级看门狗定时器专用芯片TPV710Q系列

时间： 2024-10-18 来源：思瑞浦3PEAK公众号

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采购服务

车规级看门狗定时器专用芯片,TPV710Q,TPV710NXQ-S5TR-S,TPV710NWQ-S5TR-S

聚焦模拟芯片和嵌入式处理器的供应商思瑞浦3PEAK全新推出小尺寸、低功耗、车规级看门狗定时器专用芯片 TPV710Q，在汽车座舱、T-Box、BMS、ESS、工业控制设备等领域得到了广泛应用。

TPV710Q提供AEC-Q100 Grade1认证，静态功耗6μA，提供多个可用看门狗超时周期10ms、100ms、0.6s、1.6s、3.2s、6.4s和12.8s，并带有EN控制，保证最小Vcc=1.67V有效。

MCU正常工作的时候，每隔一段时间输出一个信号到喂狗端，给 WDT清零，如果超过规定的时间不喂狗（一般在程序跑飞时），WDT定时超过，就会给出一个复位信号到MCU，使MCU复位，防止程序发生死循环，或者程序跑飞。看门狗命令在程序的中断中拥有最高的优先级，从而保证系统正常运行。

TPV710Q产品优势

低功耗

TPV710Q在Vcc=2.5V、3.3V、5V多种供电场景下，在全温-40℃至125℃，均能保持6μA以下的静态功耗，满足汽车电子应用领域低功耗需求。

Supply Current vs. Temperature

低误差

TPV710Q在全温-40℃至125℃，超时周期的实测值和目标值比例范围误差小于±5%。

Normalized Watchdog Timeout Period vs. Temperature

多型号

TPV710Q提供多个可用看门狗超时周期10ms、100ms、0.6s、1.6s、3.2s、6.4s和12.8s，方便客户系统灵活使用。

TPV710Q典型应用

TPV710Q看门狗定时器电路具有输入WDI和输出WDO。输入用于清除内部看门狗定时器在指定的超时周期内定期运行。当系统正常运行时，它会定期切换看门狗输入WDI。如果系统发生故障，则看门狗定时器未复位，看门狗输出WDO的输出低电平给到MCU的RST端，使MCU复位，防止跑飞。TPV710具有启用输入EN，可以启用或禁用看门狗功能，连接到芯片内部下拉电阻器。若EN引脚悬空，则器件使能。

TPV710Q产品特性

AEC-Q100 Grade 1：TA=-40℃至125℃
可用看门狗超时周期10ms、100ms、0.6s、1.6s、3.2s、6.4s和10s
芯片使能输入
漏极开路或推挽式低电平有效WDO输出
低功耗：6μA
保证输出对 VCC=1.67V有效
封装：SOT23-5

TPV710Q产品系列现已量产，可提供样品和评估板服务, 如有需求请联系代理商世强。

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本文由ll转载自思瑞浦3PEAK公众号，原文标题为:小尺寸、低功耗！思瑞浦发布高性能车规级看门狗定时器专用芯片 TPV710Q，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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Iq per channel (Max)(μA)

Offset Drift(Typ)(μV/°C)

Ib(typ)(pA)

Vn (Typ) (nV/rtHz)

Peak Noise at 0.1 to 10Hz(μVpp)

Operating Temperature Range(°C)

选型表 - 思瑞浦立即选型

思瑞浦（3PEAK）数据转换器选型表

高精度DAC/ADC：4~24Bit DAC,DNL小于正负1 LSB，兼容标准的SPI、QSPI、MICROWIRE总线方式。数字式电流/功率监测器：12/16bit，在整个工作温度范围内保证无失码。多通道可配置模数/数模转换器：集成4/8/12通道12bit ADC的可灵活配置的数模/模数转换芯片。

Throughput Rate(Msps)

INL

Offset Error(LSB, Max)

选型表 - 思瑞浦立即选型

FTDI’s FT4232HA Is The Ideal Candidate for T-Box

This paper mainly introduces the application advantages of FTDI‘s USB 2.0 Hi-Speed to multi-purpose UART / MPSSE IC in T-Box (Telematics Box), and shares the application block diagram.

2024-10-01 - 应用方案代理服务技术支持采购服务

【应用】思瑞浦车规级双通道高精度运放TPA1882Q用于BMS电流检测，最大失调电压50uV

本文介绍思瑞浦车规级运放TPA1882Q在BMS电流采集中的应用。该运放供电电压范围4.5V至36V，宽输入电压可满足更多应用场景；失调电压50uV，低失调电压可带来更为精确的输出参数；转换速率10V/μs，静态电流仅2mA，非常适合用于BMS电流检测。

2022-12-21 - 应用方案代理服务技术支持采购服务

思瑞浦（3PEAK）接口产品选型表

RS-485：支持 3V/5V 、半双工、有极性和无极性的 RS-485/-422收发器，最高速速率20M，支持1.8V IO,省去电平转换电路，形成单芯片解决方案。RS-232：单电源供电的 RS-232通信接口芯片,低功耗、高数据速率、外围电路简单。CAN：±30V共模电压，8K ESD CAN收发器。电平转换：I2C电平转换，热插拔缓冲器及IO扩展芯片。MLVDS：4路LVDS接收器，传输速率最高可达400Mbps。

IQ(Typ.)(1 Channel)(μA)

选型表 - 思瑞浦立即选型

思瑞浦LDO的输入电压范围为多少呢？

输入电压范围看不同的产品型号，高压LDO一般支持到最高42V正常工作范围，可以作为车载一级电源；思瑞浦也有5V-6V最大输入电压的低压LDO产品系列和~20V最大输入电压的中压LDO产品，提供完整的产品矩阵。

2024-09-30 - 技术问答代理服务技术支持采购服务

思瑞浦（3PEAK）线性稳压与基准选型表

低压差、高PSRR，低功耗，低噪，最大输出电流（mA）：150~3000，更有DDR端供电专用LDO，具有灌、拉电流能力。

产品型号	品类	Status	Rating	Package	Maximum Output Current(mA)	Iq(mA)	PSRR @1KHz (dB)	Dropout(mV)	Input Voltage(V)	Accuracy(max)	Noise(μVRMS)
TPL503133-S5TR	LVLDO	Production	Industrial	SOT23-5	300	0.055	70	250	1.5~5.5	±2%	178

选型表 - 思瑞浦立即选型

【经验】思瑞浦RS-232收发器TP3232N应用指南

思瑞浦推出的RS-232收发器系列产品具有低功耗、高数据速率、高可靠性等优点，内部包含两个发射器和两个接收器，完全符RS-232工业标准。本文将就思瑞浦RS-232收发器TP3232N进行应用指南分享。

2023-01-07 - 设计经验代理服务技术支持采购服务

思瑞浦LDO效率如何？

LDO的转换效率主要取决于输入电压VIN和输出电压VOUT的比例，当输入电压和输出电压之间取低压差时会取得较高效率，当负载电流较大时效率大约是VOUT/VIN。

2024-09-30 - 技术问答代理服务技术支持采购服务

思瑞浦（3PEAK）DC-DC转换器选型表

工业级，应用温度范围-40 to +125℃；宽压降压转换器：输入电压3V~60V，输出电压0.6V~100V；中压降压转换器：输入电压 4.5V~17V，输出电压0.6V~17V；低压降压转换器：输入电压2.8V~6V，输出电压0.8V~17V；升压转换器：输入电压0.9V~80V，输出电压VIN~80V。

产品型号	品类	Status	Rating	Package	VIN(V)	Output(V)	Max Output Current(A)	Switching Frequency (kHz)
TPP60308-ES1R-S	宽压降压转换器	Production	Industrial	ESOP8	4.5~60	0.8~60	3.5	100-2500