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Utsource certified used parts
Utsource certified used parts provide the following guarantees:
1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
2. Some parts are tested by machine.
3. Utsource certified parts can be returned and refunded unconditionally within 60 days.
Description
Low-Cost, uP Supervisory Circuits
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.5 | 5.5 | V | ||
| Operating Temperature | -40 | 85 | °C | |||
| Storage Temperature | -65 | 150 | °C | |||
| Watchdog Timeout Period | TWD | RWD = 249kΩ | 1.6 | 2.4 | s | |
| Manual Reset Timeout | TMR | RMR = 249kΩ | 1.6 | 2.4 | s | |
| Power-Good Threshold | VPG | Rising | 4.4 | 4.6 | V | |
| Power-Good Hysteresis | 200 | mV | ||||
| Output Current (Watchdog) | IWD | VCC = 5V | 0.1 | 0.2 | 0.3 | mA |
| Output Current (Manual Reset) | IMR | VCC = 5V | 0.1 | 0.2 | 0.3 | mA |
| Output Current (Power-Good) | IPG | VCC = 5V | 0.1 | 0.2 | 0.3 | mA |
| Quiescent Current | IQ | VCC = 5V, No Load | 10 | 15 | 20 | μA |
| Reset Pulse Width | TRST | VCC = 5V, TPG = 1.6s | 100 | 200 | 400 | ms |
Supply Voltage:
Operating Temperature:
Storage Temperature:
Watchdog Timeout Period:
Manual Reset Timeout:
Power-Good Threshold:
Output Current:
Quiescent Current:
Reset Pulse Width:
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $0.83820 | US $0.75438 | US $0.75438 |
| ≥5: | US $0.62865 | US $0.56579 | US $2.82895 |
| ≥10: | US $0.44006 | US $0.39605 | US $3.96050 |
| ≥20: | US $0.41910 | US $0.37719 | US $7.54380 |
| ≥50: | US $0.37719 | US $0.33947 | US $16.97350 |
| ≥100: | US $0.36671 | US $0.33004 | US $33.00400 |
| ≥200: | US $0.35624 | US $0.32062 | US $64.12400 |
| ≥500: | US $0.34576 | US $0.31118 | US $155.59000 |
| ≥1000: | US $0.33528 | US $0.30175 | US $301.75000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| MAX813LCPA | Supervisory circuit with watchdog timer, manual reset, and power fail comparator; available in 8-pin SO package. |
| MAX813LJPA | Supervisory circuit with watchdog timer, manual reset, and power fail comparator; available in 8-pin PDIP package. |
| ADM809AJ-RL | Power supply monitor with watchdog timer and manual reset; available in 8-pin SOIC package. |
| IMP813LCPA | Low-power supervisory circuit with watchdog timer and manual reset; available in 8-pin SO package. |
| MAX6324CET | Microprocessor supervisory circuit with watchdog timer; available in 8-pin TSSOP package. |
Product Usage
The MAX813LESA is a microprocessor supervisory circuit with watchdog timer, manual reset, and power supply fail (PFI) detector. It is commonly used in various applications where system reliability and stability are critical. Here are some typical circuits and systems that might use the MAX813LESA:
Embedded Systems:
Power Supply Monitoring:
Watchdog Timer Applications:
Manual Reset:
Telecommunications Equipment:
Consumer Electronics:
Automotive Electronics:
Medical Devices:
Here is a basic example of how the MAX813LESA might be used in a circuit:
RequiredVCC (5V) ----+---- [10kΩ] ----+---- VCC (MAX813LESA)
| |
| +---- C1 (0.1μF) ---- GND
|
+---- C2 (10μF) ---- GND
RESET OUT (MAX813LESA) ----+---- [10kΩ] ---- VCC
|
+---- C3 (0.1μF) ---- GND
|
+---- RESET IN (Microcontroller)
WDT IN (MAX813LESA) ----+---- [10kΩ] ---- VCC
|
+---- [1kΩ] ---- WDT OUT (Microcontroller)
MR (MAX813LESA) ----+---- Manual Reset Button ---- GND
PFI OUT (MAX813LESA) ----+---- Power Fail Indicator (e.g., LED)
In this circuit:
This configuration ensures that the microcontroller is reset if the power supply fails, if the watchdog timer is not toggled, or if the manual reset button is pressed.
Global Logistics Country List
| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
MAX813LESA
MAX813LESA has several brands around the world that may have alternate names for MAX813LESA due to regional differences or acquisition. MAX813LESA may also be known as the following names:
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