Microchip Technology, Inc. Datasheets for Supervisory Circuits and Battery Monitor Chips

Supervisory circuits and battery monitor chips are semiconductor devices that detect and monitor voltage levels in power supplies, microprocessors, and other systems.
Supervisory Circuits and Battery Monitor Chips: Learn more

Product Name Notes
Microprocessor Monitor w/ Watchdog Timer -- TC1232 TC1232 is a fully-integrated processor supervisor. It provides three important functions to safeguard processor sanity: precision power on/off reset control, watchdog timer and external reset override. On power-up, the TC1232...
Microcontroller Supervisory Circuit with Push-Pull Output -- MCP100 The MCP100 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection...
Microcontroller Supervisory Circuit with Push-Pull Output -- MCP101 The MCP101 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection...
Voltage Detector -- MCP102 The MCP102 is a voltage supervisor device designed to keep a microcontroller in reset until the system voltage has reached and stabalized at the proper level for reliable system operation.
Voltage Detector -- MCP103 The MCP103 Series are CMOS voltage supervisors are well suited for many portable and consumer electrics applications due to the extremely low 1uA operating current and small surface-mount packaging. These...
Micropower Voltage Detector -- MCP112
Voltage Detector -- MCP111
The MCP111/112 Series are CMOS voltage detectors are well suited for portable, consumer electrics applications due to the extremely low 1uA operating current and small surface-mount packaging. These devices are...
Microcontroller Supervisory Circuit with Open Drain Output -- MCP120 The MCP120 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection...
Voltage Detector -- MCP121 The MCP121 Series of CMOS voltage detectors are well suited for many portable and consumer electrics applications due to the extremely low 1uA operating current and small surface-mount packaging. These...
Microcontroller Supervisory Circuit with Open Drain Output -- MCP130 The MCP130 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection...
Voltage Detector -- MCP131 The MCP131 Series, of CMOS voltage supervisors, are well suited for portable and consumer electrics applications due to the extremely low 1uA operating current and small surface-mount packaging. These devices...
Voltage Supervisor, Open Drain, Active Low -- MCP1316M
Voltage Supervisor, Open Drain, Active Low -- MCP1318M
Voltage Supervisor, Open Drain, Active Low -- MCP1319M
Voltage Supervisor, Open Drain, Active Low -- MCP1320
Voltage Supervisor, Open Drain, Active Low -- MCP1321
Voltage Supervisor, Open Drain, Active Low -- MCP1322
Voltage Supervisor, Push-Pull, Active High -- MCP1317
Voltage Supervisor, Push-Pull, Active Low -- MCP1316
Voltage Supervisor, Push-Pull, Active Low -- MCP1318
Voltage Supervisor, Push-Pull, Active Low -- MCP1319
The MCP1316/16M/17/18/18M/19/19M/20/21/22 are voltage supervisor devices designed to keep a microcontroller in reset until the system voltage has reached and stablized at a proper level for reliable system operation. These...
Microcontroller Supervisory Circuit w/ Push Pull Active Low -- MCP809 The MCP809 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection...
Microcontroller Supervisory Circuit w/ Push Pull Active High -- MCP810 The MCP810 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection...
5V Voltage Supervisor w/ Manual Reset, Watchdog and Dual Rest Outputs -- MIC1232 The MIC1232 is a multifunction circuit which monitors microprocessor activity, external reset and power supplies in microprocessor based systems. The circuit functions include a watchdog time, power supply monitor, microprocessor...
Microprocessor Supervisory Reset Circuit, Push-Pull, Active Low -- MIC1810 The MIC1810 is an inexpensive microprocessor supervisory circuit that monitors power supplies in microprocessor based systems. The function of these devices is to assert a reset if the power supply...
Microprocessor Supervisory Reset Circuit, Push-Pull, Active Low -- MIC1815 The MIC1815 is an inexpensive microprocessor supervisory circuit that monitors power supplies in microprocessor based systems. The function of these devices is to assert a reset if the power supply...
Microprocessor Supervisor with Manual Reset and Dual Reset Output -- MIC1832 The MIC1832 is a multifunction circuit which monitors microprocessor activity, external reset and power supplies in microprocessor based systems. The circuit functions include a watchdog time, power supply monitor, microprocessor...
Voltage Detector -- MIC2755 The MIC2755 is composed of multiple comparators, a reset pulse generator, and logic. It is designed for monitoring the battery supply of portable digital systems, including PDAs and pagers. The...
Dual Voltage Supervisor w/ Manual Reset & Active-Low Open-Drain Outputs -- MIC2772 The MIC2772 is a dual power supply supervisor that provides under-voltage monitoring and power-on reset generation. It may replace two discrete voltage supervisors such as MIC1810, MIC1815, MIC809, MIC811, MIC6315,...
Dual Voltage Supervisor w/ Active-Low Open-Drain -- MIC2774 The MIC2774 is a dual power supply supervisor that provides under-voltage monitoring, manual reset capability, and power-on reset generation in a compact 5-pin SOT package. Features include two under-voltage detectors,...
Single Voltage Supervisor w/ Dual Active-High and Low Push-Pull Outputs -- MIC2775 The MIC2775 is a power supply supervisor that provides undervoltage monitoring, manual reset capability, and power-on reset generation in a compact 5-pin SOT package. Features include an undervoltage detector, a...
Adjustable Voltage Supervisor w/ Manual Reset -- MIC2776 The MIC2776 is a power supply supervisor which provides under-voltage monitoring and power-on reset generation in a compact 5-pin SOT package. Features include an adjustable under-voltage detector, a delay-generator, a...
Dual Micro-Power Low Voltage Supervisor -- MIC2777 The MIC2777 is a dual power supply supervisor that provides under-voltage monitoring, manual reset capability, and poweron reset generation in a compact 5-pin SOT package. Features include two under-voltage detectors,...
Voltage Monitor with Adjustable Hysteresis -- MIC2778
Voltage Monitor with Adjustable Hysteresis -- MIC2779
The MIC2779 is a voltage monitor--uniquely designed to detect two separate voltage thresholds--combined with a delay generator and logic. It is designed for monitoring the battery supply of portable digital...
Voltage Detector -- MIC2782 The MIC2782 is a two input, two output push button reset IC. It will generate a reset pulse for a factory programmed reset timeout period after both manual reset inputs...
Dual Supply Voltage Monitor with Manual Reset -- MIC2785 The MIC2785 is a micropower voltage monitor that provides undervoltage monitoring and manual reset capability in a tiny 1.2mm x 1.2mm QFN package. The MIC2785 provides a monitored voltage input...
Voltage Detector -- MIC2790
Voltage Detector -- MIC2791
Voltage Detector -- MIC2793
The MIC2790/1/3 is ideal for monitoring highly-accurate core voltages that require rapid response in the event of a fault condition. The voltage supervisor IC features a manual reset input, enable...
Voltage Detector -- MIC6315 The MIC6315 is an inexpensive reset generator circuit that monitors power supplies in microprocessor-based systems. The function of this device is to assert a reset if either the power supply...
Voltage Detector -- MIC705
Voltage Detector -- MIC706
Voltage Detector -- MIC707
Voltage Detector -- MIC708
The MIC705, MIC706, MIC707, and MIC708 areinexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor-based systems. The circuit functions include a watchdog timer, microprocessor reset, power-failure warning, and a...
3-Pin Microprocessor Supervisor Circuit with Open-Drain Reset Output -- MIC803 The MIC803 is a single-voltage supervisor with open-drain reset output that provides accurate power supply monitoring and reset generation in microprocessor based systems. The function of the device is to...
3-Pin Microprocessor Reset Circuit with Push-Pull Active-High Output -- MIC810
3-Pin Microprocessor Reset Circuit with Push-Pull Active-Low Output -- MIC809
The MIC809 and MIC810 are inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor based systems. The function of these devices is to assert a reset if the power...
Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-High Output -- MIC812
Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output -- MIC811
The MIC811 and MIC812 are inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor based systems. The function of this device is to assert a reset if either the...
Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output -- MIC8114 The MIC8114 is an inexpensive microprocessor supervisory circuit that monitors the power supply in microprocessor based systems. The function of this device is to assert a reset if the power...
Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output -- MIC8115 The MIC8115 is an inexpensive microprocessor supervisory circuit that monitors power supplies in microprocessor based systems. The function of this device is to assert a reset if the power supply...
Voltage Supervisor with Watchdog Timer, Manual Reset, and Dual Outputs -- MIC826 The MIC826 is a low-current, ultra-small, voltage supervisor with manual reset input, watchdog timer, and active-high and active-low push-pull outputs. The reset outputs are asserted and held when the supply...
Voltage Supervisor with Manual Reset Input -- TC1270A
Voltage Supervisor with Manual Reset Input -- TC1270AN
Voltage Supervisor with Manual Reset Input -- TC1271A
The TC1270A, TC1271A and TC1270AN are cost-effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. A manual...
3-Pin Reset Monitor -- TC1272A The TC1272A are cost-effective system supervisor circuits designed to monitor VDD in digital systems and provide a reset signal to the host processor, when necessary. No external components are...
Voltage Detector -- TC32M The TC32M is a fully-integrated processor supervisor in a 3-pin package. It provides three important functions to safeguard processor sanity: precision power on/off RESET control, watchdog timer and external RESET...
Voltage Detector -- TC51 The TC51 is a very low power, open drain output, CMOS voltage detector with built-in delay. It is particularly well-suited for battery powered applications because of its extremely low 1µA...
Voltage Detector -- TC53 The TC53 is a low power voltage detector. Typical supply current consumption is only 1µA at an input voltage of 2V. The voltage detection threshold setting is factory-programmed and guaranteed...
CMOS Voltage Detector for Battery Applications -- TC54 The TC54 Series are CMOS voltage detectors, suited especially for battery-powered applications because of their extremely low 1uA operating current and small surface-mount packaging. Each part is laser trimmed to...
3-Pin Microcontroller Reset Monitor -- TCM809
3-Pin Microcontroller Reset Monitor -- TCM810
The TCM809 and TCM810 are cost-effective system supervisor circuits designed to monitor VDD in digital systems and provide a reset signal to the host processor when necessary. No external...