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DS1832S
Power Supply Management Circuit, Fixed, 1 Channel, +2.55/2.88VV, CMOS, PDSO8, 0.150 INCH, SOIC-8DS1832S
Power Supply Management Circuit, Fixed, 1 Channel, +2.55/2.88VV, CMOS, PDSO8, 0.150 INCH, SOIC-8
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Manufacturer Part # : DS1832S
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Package/Case: SOIC 8
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Brand: MAXIM
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Product Categories : Supervisors
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DS1832S DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The DS1832 3.3-Volt MicroMonitor monitors three vital conditions for a microprocessor: power supply, software execution, and external override. First, a precision temperature-compensated reference and comparator circuit monitor the status of VCC. When an out-of-tolerance condition occurs, an internal power-fail signal is generated which forces the resets to an active state. When VCC returns to an in-tolerance condition, the reset signals are kept in the active state for a minimum of 250 ms to allow the power supply and processor to stabilize.FEATURES■ Halts and restarts an out-of-control microprocessor■ Holds microprocessor in check during power transients■ Automatically restarts microprocessor after power failure■ Monitors pushbutton for external override■ Accurate 10% or 20% microprocessor power monitoring■ Eliminates need for discrete components■ 20% tolerance for use with 3.0-volt systems■ Pin-compatible with the DS1232■ Low cost 8-pin DIP, 8-pin SOIC, and space saving µ-SOP packages available■ Industrial temperature range of -40°C to +85°C
Key Features
- Halts and restarts an out-of-control microprocessor
- Holds microprocessor in check during power transients
- Automatically restarts microprocessor after power failure
- Monitors pushbutton for external override
- Accurate 10% or 20% microprocessor power monitoring
- Eliminates need for discrete components
- 20% tolerance for use with 3.0-volt systems
- Pin-compatible with the DS1232
- Low cost 8-pin DIP, 8-pin SOIC, and space
- saving µ-SOP packages available
- Industrial temperature range of -40°C to +85°C
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | No | Rohs Code | No |
| Part Life Cycle Code | Obsolete | Part Package Code | SOIC |
| Pin Count ! | 8 | Reach Compliance Code | not_compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Additional Feature ! | WATCHDOG TIMER | Adjustable Threshold | NO |
| Analog IC - Other Type | POWER SUPPLY MANAGEMENT CIRCUIT | JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e0 | Length | 4.9 mm |
| Moisture Sensitivity Level | 1 | Number of Channels | 1 |
| Number of Functions | 1 | Number of Terminals | 8 |
| Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
| Package Body Material | PLASTIC/EPOXY | Package Code | SOP |
| Package Equivalence Code | SOP8,.25 | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE | Peak Reflow Temperature (Cel) | 245 |
| Power Supplies ! | 1.2/5.5 V | Qualification Status ! | Not Qualified |
| Seated Height-Max | 1.75 mm | Supply Current-Max (Isup) | 0.035 mA |
| Supply Voltage-Max (Vsup) | 5.5 V | Supply Voltage-Min (Vsup) | 1.2 V |
| Supply Voltage-Nom (Vsup) | 3.3 V | Surface Mount ! | YES |
| Technology | CMOS | Temperature Grade ! | INDUSTRIAL |
| Terminal Finish | TIN LEAD | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
| Threshold Voltage-Nom | +2.55/2.88V | Width | 3.9 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is DS1832S?
The DS1832S is a microprocessor supervisory circuit designed by Maxim Integrated. It provides a low-cost solution for monitoring power supply voltage levels and microprocessor activity in various applications, including embedded systems, consumer electronics, and industrial control.
How Does DS1832S Work?
The DS1832S works by monitoring the power supply voltage and microprocessor activity to ensure proper system operation. It features a watchdog timer that resets the microprocessor if it fails to periodically toggle the input (ST) pin. Additionally, it monitors the power supply voltage and generates a reset signal if the voltage falls below a predefined threshold.
How Many Pins does DS1832S have and What are the Functions of the Pinout Configuration?
The DS1832S is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply input pin.
- GND: Ground pin.
- ST: Microprocessor status input pin for the watchdog timer.
- MR: Manual reset input pin.
- OUT: Open-drain active-low reset output.
What are the Pros and Cons of DS1832S?
Pros:
- Supervisory Functions: Monitors power supply voltage and microprocessor activity for enhanced system reliability.
- Watchdog Timer: Helps prevent system lock-up by resetting the microprocessor if it fails to operate properly.
- Low Cost: Provides a cost-effective solution for system supervision and reset generation.
- Compact Package: The 8-pin SOIC package offers space-efficient integration into various designs.
Cons:
- External Circuitry: May require additional external components for specific system configurations.
- Programming Considerations: Requires proper programming of the watchdog timer to suit application requirements.
Are There Any Equivalents/Alternatives to DS1832S for Recommendation?
- The MAX813L from Maxim Integrated is a similar microprocessor supervisory circuit with additional features.
- Alternatives to the DS1832S include the TPS3808G01 from Texas Instruments and the ADM1232 from Analog Devices.
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