PMIC - Supervisors

Image Part Number Description / PDF Quantity Rfq
MN1382SSP

MN1382SSP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI-3DC

0

MN13821SUP

MN13821SUP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI-3DC

0

MN1381SQU

MN1381SQU

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN1381-U

MN1381-U

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13811SEU

MN13811SEU

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13812SN

MN13812SN

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN1382JP

MN1382JP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI 3P

0

MN13821SCP

MN13821SCP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI-3DC

0

MN13811SLU

MN13811SLU

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13812SL

MN13812SL

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13812-S

MN13812-S

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN1382SQP

MN1382SQP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI-3DC

0

MN1381-L

MN1381-L

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13822RP

MN13822RP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI 3P

0

MN13821QP

MN13821QP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI 3P

0

MN13811SN

MN13811SN

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13812SC

MN13812SC

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13821EP

MN13821EP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI 3P

0

MN13811SUX

MN13811SUX

Panasonic

IC SUPERVISOR 1 CHANNEL TO92

0

MN13821SQP

MN13821SQP

Panasonic

IC SUPERVISOR 1 CHANNEL MINI-3DC

0

PMIC - Supervisors

1. Overview

Power Management IC Supervisors (PMIC-Supervisors) are semiconductor devices that monitor and control power systems in electronic equipment. They provide critical functions including voltage monitoring, current limiting, thermal protection, and system reset control. These ICs ensure reliable operation by preventing damage from power anomalies, making them essential in modern electronics such as smartphones, automotive systems, and industrial equipment.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Example
Voltage MonitorsTrack supply voltages and trigger resets during under/over-voltage conditionsServer power supplies
Reset ControllersGenerate system resets during power instabilityEmbedded systems
SequencersManage power-up/down order for multiple railsFPGA power management
Watchdog TimersMonitor processor activity and trigger resets on software faultsIndustrial controllers
Thermal SupervisorsShutdown systems during overheating conditionsPower amplifiers

3. Structure & Composition

PMIC-Supervisors typically feature: - Voltage reference circuits - Analog comparators - Digital control logic - Temperature sensing elements - Multiple input/output channels - Standard packages (SOT23, TSSOP, QFN) Advanced devices integrate EEPROM for customizable thresholds and response times.

4. Key Technical Specifications

ParameterImportance
Voltage Monitoring RangeDetermines compatibility with different power rails
Threshold AccuracyAffects system reliability (typical 1-5%)
Response TimeSpeed of fault detection (10 s-10ms range)
Supply CurrentImpacts power efficiency
Operating TemperatureDefines environmental suitability
Package TypeEnables application-specific integration

5. Application Fields

  • Consumer Electronics: Smartphones, laptops
  • Automotive: ECU systems, battery management
  • Industrial: PLCs, motor drives
  • Telecom: Base stations, routers
  • Medical: Diagnostic equipment, patient monitors

6. Leading Manufacturers & Products

ManufacturerKey ProductFeatures
Texas InstrumentsTPS3808Low-power voltage supervisor with adjustable delay
STMicroelectronicsSTM6600High-accuracy multi-voltage monitor
InfineonTLE4268Automotive power supervisor with watchdog
Analog DevicesADM1186Dual-channel voltage sequencer
ON SemiconductorMC340643V to 5V supply monitor with reset output

7. Selection Guidelines

Key considerations: - Required monitoring channels - Voltage threshold accuracy needs - Environmental operating conditions - Communication interface requirements - Package size constraints - Automotive/industrial certification needs - Integration level (standalone vs. system manager)

8. Industry Trends

Current developments include: - Increased integration with PMICs - AI-powered predictive monitoring - Enhanced functional safety (ISO 26262 compliance) - Ultra-low power consumption (<1 A standby) - Advanced package technologies (WLCSP) - Digital configurability via I2C/SPI interfaces

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