DS1832S+T&R

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DS1832S+T&R

IC SUPERVISOR 1 CHANNEL 8SOIC

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Thông số kỹ thuật

Series MicroMonitor™
Part Status Active
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.55V, 2.88V
Output Push-Pull, Push-Pull
Reset Active High/Active Low
Reset Timeout 250ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number DS1832

Tổng quan

Description

The DS1832S+T&R is a precision voltage reference and supervisor IC designed by Maxim Integrated (now part of Analog Devices). It functions primarily to monitor supply voltages in microprocessor and microcontroller applications. This device ensures system reliability by providing early warning signals for undervoltage conditions and allows for safe power-up or power-down sequences.
Key features include a programmable voltage detection threshold, a manual reset input, and a reset output that can be configured for various timing requirements. The DS1832S+T&R operates over a wide voltage range and is suitable for various power management applications in consumer electronics, automotive systems, and industrial control systems. Its compact package and low power consumption make it a popular choice for embedded designs requiring robust voltage monitoring and supervisory functions.
For detailed specifications and applications, refer to the manufacturer’s datasheet.

Features

The DS1832S+T&R is a precision voltage supervisor and reset IC designed for microcontroller and microprocessor applications. Key features include:
1. Adjustable Reset Voltage: Provides a programmable reset threshold, allowing flexibility for various supply voltages.
2. Active Low Reset Output: Offers a clean, active-low reset that goes low when the voltage drops below the set threshold.
3. Temperature Range: Operates over a wide temperature range, typically from -40°C to +85°C.
4. Low Power Consumption: Designed for low power usage, making it suitable for battery-operated devices.
5. Short Delay Reset: Features a short reset delay after power-up or voltage recovery for reliable system operation.
6. Watchdog Timer: Includes a watchdog function to monitor system operation and reset if necessary.
7. Multiple Options: Available in various packages and configurations to meet different design needs.
This IC is ideal for maintaining system stability and preventing unintended operation during power fluctuations.

Package

The DS1832S+T&R is packaged in a small, 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package design allows for efficient space utilization on printed circuit boards.

Pinout

The DS1832S+T&R is a precision voltage supervisor IC with a total of 8 pins. Here’s a concise pin count and function summary:
1. VDD - Power supply input (typically +3V to +5.5V).
2. GND - Ground reference.
3. RESET - Active low reset output; goes low when monitored voltage is below the threshold.
4. RESETIN - Input for an external reset signal; can be used to manually trigger a reset.
5. VREF - Reference voltage output; provides a stable voltage reference for external components.
6. SENSE - Voltage sense input; connected to the power rail being monitored.
7. NC - No Connect; not used internally, can be left floating.
8. TRIP - Threshold adjust pin; used to set the VTH (threshold voltage) for the RESET function.
The DS1832S+T&R is primarily used in systems requiring voltage monitoring and reset functions to ensure proper operation during power fluctuations.

Manufacturer

The DS1832S+T&R is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, with a strong focus on analog electronics and embedded processing. Founded in 1930, the company serves a wide range of industries, including automotive, communications, consumer electronics, and industrial applications. TI is known for its commitment to innovation and quality in electronic components, making it a key player in the global semiconductor market. The DS1832S+T&R specifically is a precision voltage supervisor designed to monitor power supply voltages, ensuring reliable operation in electronic systems.

Application

The DS1832S+T&R is a precision voltage supervisor and reset circuit commonly used in microcontroller and digital system applications. Its primary areas include ensuring proper reset conditions during power-up, managing voltage monitoring for system stability, and enhancing reliability in automotive, industrial, and consumer electronics. It is ideal for applications that require low power consumption and high accuracy in voltage detection.

Equivalent

The DS1832S+T&R chip is a real-time clock and voltage supervisor. Equivalent products include:
1. MAX810 - Voltage supervisor with similar functionality.
2. LM809 - Voltage supervisor with adjustable thresholds.
3. TPS3808 - Voltage monitoring with multiple options.
Check datasheets for specifics on functionality and pin compatibility.

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