S-1003CA13I-I6T1U

Series:	S-1003
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	1.3V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Flat Leads
Supplier Device Package:	SNT-6A

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Introduction

Power management integrated circuit (PMIC) supervisors are key components for modern high-performance microcontroller systems. PMIC supervisors are typically responsible for system reset and clock supervision, allowing users to have efficient control over power sequencing and system stability in highly integrated microcontroller applications. In this article, we explain the application field and working principle of the S-1003CA13I-I6T1U PMIC supervisor.

The Application Field of S-1003CA13I-I6T1U:

The S-1003CA13I-I6T1U is designed to provide reset and clock supervision to a system in the low power, low-voltage range of 1.2V-3.6V and a temperature operating range of -40 to +85°C. It is ideal for microcontrollers, embedded systems and integrated-circuits applications requiring efficient monitoring and reset functions. It supports a variety of system reset functions and several clock modes, allowing for utmost control over power sequencing in various system designs.

Main Features of S-1003CA13I-I6T1U

The S-1003CA13I-I6T1U offers a broad range of features to ensure proper supervision of the system. It includes a wide range of reset functions including active-high reset and active-low reset, as well as support for several clock sources such a crystal or an external clock. It also includes input pin debouncing, a watchdog timer to detect runaway applications, and programmable reset delay time to avoid false reset assertions. In addition, it supports both open-drain and push-pull output configurations, allowing the maximum flexibility in system design. It is also pin-compatible with popular MCUs such as Infineon XC series and Renesas SH2A.

Working Principle of S-1003CA13I-I6T1U

The S-1003CA13I-I6T1U PMIC supervisor monitors two independent voltage sources, which may include a regulated power supply, a battery, or any other system supply rail. It also monitors an external clock or a crystal oscillator for system clock supervision. When a monitored voltage drops below a certain threshold, or the system clock falls below a certain frequency, the supervisor initiates a system reset, restoring the system to a known good state.The supervisor also detects excessive system activity or runaway applications. It continuously monitors the system clock via a dedicated watchdog timer, which trips if no new instruction is received within a preprogrammed period. The watchdog timer is also controlled via the supervisor’s dedicated input pin, allowing the user to adjust the timeout period.

Conclusion

The S-1003CA13I-I6T1U PMIC supervisor is a low power, low-voltage supervisor providing reset and clock supervision for various types of microcontroller applications. It offers an assortment of reset functions, clock sources and watchdog monitoring periods, allowing for optimal system stability and control over power sequencing. This makes it an ideal choice for high-performance microcontroller applications.

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