5秒后页面跳转
捷配首页

Datasheet > 电源电路 > 电源管理电路> UCC2946TPWRQ1
UCC2946TPWRQ1 PDF预览

UCC2946TPWRQ1

更新时间： 2024-09-19 12:22:35
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路微处理器光电二极管监控
页数 文件大小 规格书
13页 231K
描述
MICROPROCESSOR SUPERVISOR WITH WATCHDOG TIMER

阅读下载

中文翻译

获取价格

UCC2946TPWRQ1 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：TSSOP, TSOP8,.25,25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.63
Is Samacsys：N可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.4 mm
湿度敏感等级：2信道数量：1
功能数量：1端子数量：8
最高工作温度：105 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSOP8,.25,25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：2.5/5 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.018 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.1 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL阈值电压标称：1.235V
处于峰值回流温度下的最长时间：NOT SPECIFIED微调/可调输出：NO
宽度：3 mmBase Number Matches：1

UCC2946TPWRQ1 数据手册

 浏览型号UCC2946TPWRQ1的Datasheet PDF文件第2页浏览型号UCC2946TPWRQ1的Datasheet PDF文件第3页浏览型号UCC2946TPWRQ1的Datasheet PDF文件第4页浏览型号UCC2946TPWRQ1的Datasheet PDF文件第5页浏览型号UCC2946TPWRQ1的Datasheet PDF文件第6页浏览型号UCC2946TPWRQ1的Datasheet PDF文件第7页 
UCC2946-Q1  
www.ti.com ................................................................................................................................................. SGLS273B–OCTOBER 2004–REVISED MARCH 2009  
MICROPROCESSOR SUPERVISOR WITH WATCHDOG TIMER  
1
FEATURES  
•
•
•
•
Qualified for Automotive Applications  
Fully Programmable Reset Threshold  
Fully Programmable Reset Period  
Fully Programmable Watchdog Period  
•
•
•
•
2% Accurate Reset Threshold  
Input Voltage Down to 2 V  
Input 18-µA Maximum Input Current  
Reset Valid Down to 1 V  
DESCRIPTION  
The UCC2946 is designed to provide accurate microprocessor supervision, including reset and watchdog  
functions. During power up, the device asserts a reset signal RES with VDD as low as 1 V. The reset signal  
remains asserted until the VDD voltage rises and remains above the reset threshold for the reset period. Both  
reset threshold and reset period are programmable by the user.  
The UCC2946 is also resistant to glitches on the VDD line. Once RES has been deasserted, any drops below  
the threshold voltage need to be of certain time duration and voltage magnitude to generate a reset signal.  
These values are shown in Figure 1. An I/O line of the microprocessor may be tied to the watchdog input (WDI)  
for watchdog functions. If the I/O line is not toggled within a set watchdog period, programmable by the user,  
WDO is asserted. The watchdog function is disabled during reset conditions.  
The UCC2946 is available in 8-pin TSSOP (PW) package to optimize board space.  
VDD  
8
POWER TO  
CIRCUITRY  
400 nA  
4
+
+
RP  
S
R
Q
Q
3
RES  
POWER ON RESET  
+
1.235 V  
Q
Q
S
R
2
6
RTH  
WP  
8−BIT  
COUNTER  
400 nA  
+
S
R
Q
Q
A3  
A2  
+
5
1
WDO  
GND  
100 mV  
CLR  
A1  
+
A0  
1.235 V  
CLK  
+
WATCHDOG  
TIMING  
EDGE DETECT  
7
WDI  
UDG−02192  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2004–2009, Texas Instruments Incorporated  
1234567...13

中文翻译

下载PDF

UCC2946TPWRQ1 替代型号

型号 品牌 替代类型 描述 数据表
UCC3946D TI

类似代替

 MICROPROCESSOR SUPERVISOR WITH WATCHDOG TIMER
UCC2946PW TI

类似代替

 MICROPROCESSOR SUPERVISOR WITH WATCHDOG TIMER
UCC2946DTR TI

类似代替

 MICROPROCESSOR SUPERVISOR WITH WATCHDOG TIMER

与UCC2946TPWRQ1相关器件

型号 品牌 获取价格 描述 数据表
UCC2956 TI

获取价格

 		Switch Mode Lithium-Ion Battery Charger Controller
UCC2956DW TI

获取价格

 		0.6A BATTERY CHARGE CONTROLLER, 100kHz SWITCHING FREQ-MAX, PDSO20
UCC2956DWTR TI

获取价格

 		暂无描述
UCC2956J TI

获取价格

 		暂无描述
UCC2960 TI

获取价格

 		PRIMARY-SLIDE STARTUP CONTROLLER
UCC2960D TI

获取价格

 		温度范围为 –40°C 至 85°C 的初级侧启动控制器 | D | 8 | -40 to
UCC2960DR ETC

获取价格

 		Analog IC
UCC2960DTR TI

获取价格

 		IC 2 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO8, GREEN, SOIC-8, Switching R
UCC2960DTRG4 TI

获取价格

 		IC,SMPS CONTROLLER,VOLTAGE-MODE,SOP,8PIN,PLASTIC
UCC2960N TI

获取价格

 		1.5A SWITCHING CONTROLLER, 400kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8

与UCC2946TPWRQ1相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证