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微处理器监控电路,4焊球(2 x 2)芯片级封装

低功耗微处理器监控电路,采用4焊球晶片级封装

产品详情

主要特征

应用/用途

Parametric specs for Supervisors (1 Monitored Voltage)
Reset Thresh. (V) 1.8 to 2.5
2.5 to 3.3
Reset Out Active Low
Open Drain
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 1
Package/Pins UCSP (B)/4
Budgetary
Price (See Notes)
1.29
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简化框图

技术文档

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参量

Parametric specs for Supervisors (1 Monitored Voltage)
Reset Thresh. (V) 1.8 to 2.5
2.5 to 3.3
Reset Out Active Low
Open Drain
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 1
Package/Pins UCSP (B)/4
Budgetary
Price (See Notes)
1.29

主要特征

  • Ultra-Small 4-Bump (2 x 2) UCSP (See UCSP Reliability Section for More Details).
  • 70% Smaller Than SC70 Package
  • Ultra-Low 500nA (typ) Supply Current (MAX6400/MAX6401/MAX6402)
  • Factory-Trimmed Reset Thresholds from 2.20V to 4.63V in Approximately 100mV Increments
  • ±2.5% Threshold Accuracy -40°C to +85°C
  • Factory-Set 100ms (min) Reset Timeout Period
  • Manual Reset Input
  • Guaranteed Reset Valid to VCC = 1.0V
  • Three Reset Output Logic Options: Active-Low Push-Pull, Active-High Push-Pull, and Active-Low Open-Drain.
  • Immune to Short VCC Transients
  • No External Components

应用/用途

  • 蜂窝电话
  • MP3播放器
  • 寻呼机
  • PDA
  • 便携式电池供电设备

描述

The MAX6400–MAX6405 is a family of ultra-low power microprocessor (µP) supervisory circuits used for monitoring battery, power-supply, and regulated system voltages. Each device contains a precision bandgap reference comparator and is trimmed to specified trip threshold voltages. These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring system voltages from 2.5V to 5.0V. A manual reset input is also included.

The MAX6400–MAX6405 assert a reset signal whenever the VCC supply voltage falls below a preset threshold. These devices are differentiated by their output logic configurations and preset threshold voltages. The MAX6400/MAX6403 (push-pull) and the MAX6402/MAX6405 (open-drain) have an active-low reset (active-low RESET is logic low when VCC is below VTH). The MAX6401/MAX6404 have an active-high push-pull output (RESET is logic high when VCC is below VTH). All parts are guaranteed to be in the correct output logic state for VCC down to 1V. The reset circuits designed to ignore fast transients on VCC. The MAX6400/MAX6401/MAX6402 have voltage thresholds between 2.20V and 3.08V in approximately 100mV increments. The MAX6403/MAX6404/MAX6405 have voltage thresholds between 3.30V and 4.63V in approximately 100mV increments.

Ultra-low supply current of 500nA (MAX6400/MAX6401/MAX6402) makes these parts ideal for use in portable equipment. These devices are available in 4-bump chip-scale packages (UCSP™)

简化框图

MAX6400、MAX6401、MAX6402、MAX6403、MAX6404、MAX6405:µP接口,带双向复位 MAX6400、MAX6401、MAX6402、MAX6403、MAX6404、MAX6405:µP接口,带双向复位 Zoom icon

技术文档

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心