DS1233D-10

Series:	EconoReset
Packaging:	Bulk
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	250 ms Minimum
Voltage - Threshold:	4.375V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92-3
Base Part Number:	DS1233D

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Power management integrated circuits (PMICs) are circuits built to manage the power usage of electronic devices. PMICs are important components in electronic products, providing essential control and protection functions. PMICs are typically found in consumer, industrial, communication, automobile, and healthcare markets.The DS1233D-10 is a low-cost, ultra-small integrated 3V/5V supervisor. It operates with a wide supply voltage range of 1.6V to 5.5V, giving it the flexibility to protect systems that range from low-power to high-voltage designs. The DS1233D-10 also offers superior reset accuracy with up to 17-bit windowed reset and reset pulse width accuracy in both active and shutdown modes. Additionally, the DS1233D-10 can detect system voltages as low as 1.6V, providing robust protection against voltage transients.The DS1233D-10 is an ideal choice for many applications, including those in power and battery management systems. It is widely used in server motherboards and embedded systems, where its high accuracy and wide operating temperature range provide reliable protection against power failures. Additionally, its small size and low power consumption make it an attractive option for designing compact devices in low-power system designs.The DS1233D-10 offers superior performance and customizability, with optional settings that include preset voltage thresholds and reset pulse widths, timers, and open-drain outputs. Its wide input range capability and low quiescent current of 1.1 μA make it suitable for low-power applications.The DS1233D-10 is based on a watchdog timer (WDT) architecture, which continuously monitor the system power. The WDT is used to detect and respond to power failures and system reset events. When a power failure is detected, the WDT will reset the system and invoke a “power on reset” (POR) if required. The WDT also includes an interrupt option, which allows the system to respond to the power failure event.The WDT is programmed through the WDT configuration register. It contains several fields that allow setting the threshold voltage, system reset pulse width, timer duration, and other parameters. The WDT also provides an interrupt pin that can be used to notify the system of a power failure event.The DS1233D-10 also provides several other programmable features such as a watchdog monitor, a low-battery detector, and an EEPROM boot loader. The watchdog monitor can be used to continuously check the system’s power status, while the low-battery detector can detect system voltages as low as 1.6V. The EEPROM boot loader allows the user to customize the device’s boot sequence, allowing for system customization.In conclusion, the DS1233D-10 is an ideal choice for many applications requiring reliable protection against power failures. Its wide supply voltage range, small size, low power consumption, and versatile programmable features make it the perfect option for designing compact and low-power system designs.

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