PMIC - Supervisors

Image Part Number Description / PDF Quantity Rfq
AZ7027ZTR-E1

AZ7027ZTR-E1

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL TO92

684

PT7A7612M8-13

PT7A7612M8-13

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL 8MSOP

0

APX803L20-26C3-7

APX803L20-26C3-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT323

0

APX803L20-31SA-7

APX803L20-31SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

42000

PT7M7809ZTEX-1507

PT7M7809ZTEX-1507

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23-3

0

APX803S00-29SA-7

APX803S00-29SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

0

APX812-46UG-7

APX812-46UG-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT143

28496000

APX803L05-35SA-7

APX803L05-35SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

45000

PT7A7613M8-13

PT7A7613M8-13

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL 8MSOP

12500

APX803L40-18SA-7

APX803L40-18SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

39000

AZ7045RTR-E1

AZ7045RTR-E1

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT89

0

APX809S00-46SA-7

APX809S00-46SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

0

APX803L-22SA-7

APX803L-22SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

36000

PT7M7809TTEX-1507

PT7M7809TTEX-1507

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23-3

0

PT7M7433TAEX

PT7M7433TAEX

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23-5

3723

APX803L40-41SA-7

APX803L40-41SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

0

APX810S-26SA-7

APX810S-26SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

211227000

PT7M7811STBEX

PT7M7811STBEX

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT143

3086

APX803L-13SA-7

APX803L-13SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

48000

APX803L40-36SA-7

APX803L40-36SA-7

Zetex Semiconductors (Diodes Inc.)

IC SUPERVISOR 1 CHANNEL SOT23

48000

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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