PMIC - Supervisors

Image Part Number Description / PDF Quantity Rfq
ADM696ARZ

ADM696ARZ

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 16SOIC

478

MAX691CWE-T

MAX691CWE-T

Analog Devices, Inc.

IC SUPERVISOR MAX691 MPU

1000

MAX6728KATGD3

MAX6728KATGD3

Analog Devices, Inc.

IC SUPERVISOR 3 CHANNEL SOT23-8

291

LTC2914CGN-1#TRPBF

LTC2914CGN-1#TRPBF

Analog Devices, Inc.

IC SUPERVISOR 4 CHANNEL 16SSOP

0

ADM803TAKS-REEL7

ADM803TAKS-REEL7

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SC70-3

9420

ADM1812-5AKSZ-RL7

ADM1812-5AKSZ-RL7

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SC70-3

43098

MAX6821MUK+

MAX6821MUK+

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-5

3054

LTC2911CTS8-1#TRPBF

LTC2911CTS8-1#TRPBF

Analog Devices, Inc.

IC SUPERVISOR 3 CHANNEL TSOT23-8

0

MAX695EWE-T

MAX695EWE-T

Analog Devices, Inc.

IC SUPERVISOR MAX695 MPU

434

MAX6729KASYD3+

MAX6729KASYD3+

Analog Devices, Inc.

IC SUPERVISOR 3 CHANNEL SOT23-8

721

MAX6774BTALD2+

MAX6774BTALD2+

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 8TDFN

1389

MAX6738XKLD3

MAX6738XKLD3

Analog Devices, Inc.

IC SUPERVISOR 2 CHANNEL SC70-5

2388

MAX6345ZUT

MAX6345ZUT

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-6

858

LTC2908CDDB-A1#TRMPBF

LTC2908CDDB-A1#TRMPBF

Analog Devices, Inc.

IC SUPERVISOR 6 CHANNEL 8DFN

0

MAX6746KA31

MAX6746KA31

Analog Devices, Inc.

IC SUPERVISOR UP RESET CIRCUIT

30011

MAX809LEXR-T

MAX809LEXR-T

Analog Devices, Inc.

IC SUPERVISOR 3PIN MPU RESET

7500

ADM698AN

ADM698AN

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 8DIP

2277

MAX808LEPA

MAX808LEPA

Analog Devices, Inc.

IC SUPERVISOR MPU

297

ADM8321WAY30ARJZR7

ADM8321WAY30ARJZR7

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-5

7935

MAX6718UKSHD3-T

MAX6718UKSHD3-T

Analog Devices, Inc.

IC SUPERVISOR 2 CHANNEL SOT23-5

9950

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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