PMIC - Supervisors

Image Part Number Description / PDF Quantity Rfq
MAX6720UTTGD3+T

MAX6720UTTGD3+T

Analog Devices, Inc.

IC SUPERVISOR 3 CHANNEL SOT23-6

5000

DS1833Z-15+

DS1833Z-15+

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT223-3

60853

MAX6306UK46D3

MAX6306UK46D3

Analog Devices, Inc.

IC SUPERVISOR 5PIN MULT INPUT

597

MAX6823SUK

MAX6823SUK

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-5

1003

MAX6824RUK+

MAX6824RUK+

Analog Devices, Inc.

POWER MANAGEMENT CIRCUIT, BICMOS

1775

DS1708RESA

DS1708RESA

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 8SOIC

235

MAX805TCPA+

MAX805TCPA+

Analog Devices, Inc.

IC SUPERVISOR MAX805 MICROPROC

2267

LTC2915HDDB-1#TRMPBF

LTC2915HDDB-1#TRMPBF

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 8DFN

0

MAX6833HXRD0+T

MAX6833HXRD0+T

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SC70-3

2500

MAX810REUR+

MAX810REUR+

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-3

1767

ADM812LARTZ-REEL7

ADM812LARTZ-REEL7

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT143-4

2099

MAX6806XR46

MAX6806XR46

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 8UMAX

685

MAX6721UTYDD3+T

MAX6721UTYDD3+T

Analog Devices, Inc.

IC SUPERVISOR DL/TRP ULTR LOW V

1150

MAX6327UR23

MAX6327UR23

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-3

782

MAX6801UR26D3-T

MAX6801UR26D3-T

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-3

2500

MAX6468US46D3-T

MAX6468US46D3-T

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT143-4

12084

MAX6861UK225

MAX6861UK225

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-5

305

MAX6829VDUT+

MAX6829VDUT+

Analog Devices, Inc.

IC SUPERVISOR 2 CHANNEL SOT23-6

1205

MAX6333UR18D3

MAX6333UR18D3

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL SOT23-3

1247

MAX6807SA46

MAX6807SA46

Analog Devices, Inc.

IC SUPERVISOR 1 CHANNEL 8UMAX

8358

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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