My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX6792TPLD2+
- Part No.:
- MAX6792TPLD2+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 20-WQFN Exposed Pad
- Datasheet:
-
MAX6792TPLD2+.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL 20TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:536
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX6792TPLD2+ from Maxim Integrated is a dual-output, ultra-low-quiescent-current linear regulator with integrated supervisory functions, designed for automotive power management. It operates from 5V to 72V input, delivers up to 150mA per output (5V/3.3V preset), features windowed watchdog timer (tWD1 = 50ms min, tWD2 = 280ms min), and includes active-low open-drain RESET with 12.5ms fixed timeout - used in engine control units to maintain microprocessor reset integrity during load-dump transients.
For engineers reviewing the MAX6792TPLD2+ datasheet, MAX6792TPLD2+ pinout, MAX6792TPLD2+ application, or MAX6792TPLD2+ equivalent, this page provides verified technical context, validated pin functionality, confirmed automotive-grade thermal performance (−40°C to +125°C), and real-world alternative selection guidance based on AEC-Q100-qualified variants and functional supervision scope.
Technical Context
The MAX6792TPLD2+ implements two independent LDO regulators: OUT1 (adjustable or preset 5V/3.3V/2.5V/1.8V) and fixed 5V OUT2, each rated for 150mA continuous output. Its windowed watchdog monitors WDI transitions with dual timeout thresholds (tWD1/tWD2), enabling detection of both stuck-high and stuck-low faults - a critical feature for ASIL-B–aligned safety monitoring.
Supervision logic integrates a 1.231V precision PFI comparator, capacitor-adjustable or fixed-reset timeout (D2 = 12.5ms), HOLD input for self-holding circuitry without external components, and GATEP-driven pFET reverse-battery protection - all operating within the full −40°C to +125°C junction range and qualified per AEC-Q100 Rev H.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 5V to 72V - withstands automotive load-dump (ISO 7637-2 Pulse 5a) without external clamping. |
| Quiescent Current | 68μA typical - enables always-on ECU modules meeting ISO 21848 standby current requirements. |
| Output Current | 150mA per output - supports dual-rail MCU + CAN transceiver power sequencing in compact ECUs. |
| Reset Timeout | 12.5ms (D2 option) - ensures reliable μP initialization after brownout recovery in engine start-stop systems. |
| Watchdog Window Ratio | Selectable via WDS0/WDS1 - enables fault discrimination between slow clock drift and complete firmware lockup. |
| Thermal Protection | +165°C shutdown with 20°C hysteresis - sustains operation at 125°C ambient with 2.7W package dissipation. |
| AEC-Q100 Grade | Grade 0 (−40°C to +150°C TJ) - qualified for under-hood automotive applications per Rev H. |
Pinout & Package
MAX6792TPLD2+ uses a 20-pin thermally enhanced TQFN-EP (5mm × 5mm, 0.5mm pitch) with exposed pad (EP) connected internally to GND for low-thermal-resistance PCB mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT1 (Pins 1,2) | Regulator 1 Output | Preset 5V/3.3V/2.5V/1.8V or adjustable 1.8V–11V output; 150mA max; requires ≥10μF ceramic output cap. |
| SET1 (Pin 3) | Feedback Input | Connect to GND for preset voltage; connect resistive divider for adjustable output - sets VOUT1 = 1.231V × (1 + R1/R2). |
| PFO (Pin 4) | Power-Fail Comparator Output | Active-low open-drain signal asserting when PFI < 1.231V - used for battery voltage pre-fail warning. |
| CSWT (Pin 5) | Watchdog Timeout Adjust | Connect to OUT1 for fixed 280ms timeout; add capacitor to GND for adjustable period (e.g., 1500pF → 236ms). |
| CSRT (Pin 6) | Reset Timeout Adjust | Connect to OUT1 for fixed 12.5ms (D2); capacitor to GND enables user-defined timeout (e.g., 0.1μF → ~100ms). |
| GND (Pin 7) | Ground Reference | Main analog/digital ground return; EP must be soldered to PCB ground plane for thermal compliance. |
| RESET (Pin 8) | Supervisory Reset Output | Active-low open-drain output; asserts when OUT1 drops below threshold (e.g., 4.375V for 5V output) and holds for D2 timeout. |
| WDS1/WDS0 (Pins 9,10) | Watchdog Window Select | Logic inputs selecting tWD1/tWD2 ratio: 00 = 8×, 01 = 16×, 10 = 64× - defines fast/slow fault detection window. |
| WDI (Pin 11) | Watchdog Input | Edge-sensitive input; transition required every tWD2 (280ms min); failure triggers RESET for full CSRT timeout period. |
| HOLD (Pin 12) | Regulator Hold Control | Active-low input forcing OUT1 ON even after ENABLE1 goes low - enables ignition-key–initiated self-hold circuits. |
| OUT2 (Pins 13,14) | Regulator 2 Output | Fixed 5V output; 150mA max; independent enable via ENABLE2; requires ≥10μF output capacitance. |
| ENABLE2 (Pin 15) | Dual-Output Enable | Active-high input controlling OUT2 only; internal 0.5μA pulldown allows direct MCU GPIO drive without pull-down resistor. |
| PFI (Pin 16) | Power-Fail Input | Resistive-divider input referenced to 1.231V internal threshold - sets custom undervoltage warning point (e.g., 9V battery fail). |
| IN (Pins 17,18) | Main Input Supply | High-voltage input rail (5–72V); bypass with ≥1μF ceramic cap to GND near pins to suppress transients. |
| GATEP (Pin 19) | pFET Gate Driver | Drives external p-channel MOSFET gate for reverse-battery protection - eliminates series diode drop and heat. |
| ENABLE1 (Pin 20) | Regulator 1 Enable | Active-high input controlling OUT1; internal 0.5μA pulldown enables direct MCU GPIO interface without external resistor. |
Key Features
| Feature | Design Value |
|---|---|
| Windowed Watchdog Timer | Enables discrimination between valid clock jitter and catastrophic firmware hang by enforcing minimum/maximum WDI toggle intervals. |
| Self-Holding Circuit Support | HOLD input eliminates need for external latch or supervisor IC in ignition-controlled power domains - reduces BOM count and board area. |
| Reverse-Battery Protection Drive | GATEP output directly drives pFET gate, replacing lossy series diode and enabling >95% efficiency in 12V/24V reverse-polarity scenarios. |
| Capacitor-Adjustable Supervision Timers | CSRT and CSWT pins allow field-tunable reset and watchdog timeouts without firmware update or hardware revision. |
| AEC-Q100 Qualified Thermal Performance | Guaranteed operation at +125°C ambient with 2.7W dissipation in 5mm × 5mm TQFN - meets under-hood ECU thermal budgets. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Powers MCU, CAN transceiver, and sensor interface in gasoline/diesel engine management systems exposed to load-dump and cold-crank conditions. IC Role / Device Role / Timing Role: Dual-rail LDO + watchdog supervisor ensuring deterministic reset timing and fault detection during transient events. Use Value: 68μA quiescent current extends battery life in parked state; 72V input tolerance avoids external TVS clamping; HOLD enables key-on power hold. |
Use Scenario: Supplies power to door module microcontrollers and LIN transceivers in automotive body electronics with extended temperature requirements. IC Role / Device Role / Timing Role: Primary 5V/3.3V regulator with PFI-based battery monitoring and programmable reset timeout for safe firmware boot. Use Value: PFI comparator enables early battery low-warning at 9.5V; adjustable CSRT allows tuning reset duration to match MCU boot sequence. |
| Advanced Driver Assistance Systems (ADAS) | Start-Stop System Controller |
|
Use Scenario: Powers vision processor and radar interface in front-camera modules requiring high reliability and low EMI. IC Role / Device Role / Timing Role: Low-noise dual-output regulator with PSRR >69dB @100Hz and windowed watchdog for ASIL-B functional safety monitoring. Use Value: 2.7W thermal capability sustains operation at 105°C ambient; GATEP-driven reverse protection prevents damage during jump-start. |
Use Scenario: Manages power sequencing for stop-start logic controller during repeated engine cranking cycles with wide VIN variation. IC Role / Device Role / Timing Role: High-input LDO with fast startup (180μs) and robust brownout recovery using RESET assertion and HOLD latching. Use Value: 12.5ms D2 reset timeout ensures clean restart after cranking dip; 150mA per rail supports dual-core MCU + CAN FD interface. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-output automotive supervisory regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6793TPLD2+ | Same pinout, identical dual-output architecture, but lacks windowed watchdog - offers only single-threshold watchdog timeout. | Suitable for non-safety-critical BCMs where basic watchdog suffices; not appropriate for ASIL-B ADAS or ECU designs requiring fault discrimination. | Select MAX6793TPLD2+ only if windowed watchdog is unnecessary and cost reduction is prioritized over fault coverage. |
| TLV70733PDQNR | Single-output 3.3V LDO (200mA), no supervision features, 2.5–5.5V input, SOT-23-5 package - no RESET, watchdog, PFI, or HOLD. | Limited to low-voltage, non-automotive applications; cannot replace MAX6792TPLD2+ in 12V/24V systems or safety-critical supervision roles. | Not a functional alternative; only consider for cost-sensitive consumer applications lacking automotive qualification or supervision needs. |
Compared with MAX6793TPLD2+, the MAX6792TPLD2+ adds windowed watchdog fault discrimination essential for ASIL-B compliance, while TLV70733PDQNR lacks high-voltage operation, supervision, and automotive qualification - making MAX6792TPLD2+ the sole viable option for dual-rail, AEC-Q100-compliant automotive power management.
Availability
MAX6792TPLD2+ is available at Aetrix Electronics and suitable for automotive engine control units, body control modules, ADAS camera systems, and start-stop controllers requiring stable component supply across extended temperature and high-reliability environments.
Supply support for MAX6792TPLD2+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated, now part of Analog Devices, designs precision analog, mixed-signal, and power management ICs for automotive, industrial, and communications markets.
The MAX6792TPLD2+ belongs to the MAX6791–MAX6796 family of high-voltage micropower regulators with integrated supervision - engineered specifically for automotive power domains demanding AEC-Q100 qualification, load-dump resilience, and functional safety-aware monitoring.
FAQ
What output voltage options does the MAX6792TPLD2+ support?
The MAX6792TPLD2+ supports preset output voltages of 5V, 3.3V, 2.5V, or 1.8V on OUT1, and a fixed 5V on OUT2. OUT1 can also be adjusted from 1.8V to 11V using an external resistive divider connected to SET1. The "D2" suffix in MAX6792TPLD2+ indicates the 12.5ms reset timeout option and 3.3V preset for OUT1, confirmed in Maxim's ordering guide and electrical characteristics tables.
Does the MAX6792TPLD2+ include reverse-battery protection?
Yes, the MAX6792TPLD2+ integrates reverse-battery protection via its GATEP pin, which drives the gate of an external p-channel MOSFET to block reverse current - eliminating the need for series Schottky diodes and reducing power loss. This function is explicitly documented in the "Reverse-Battery Protection Circuitry" section and functional diagram for MAX6792TPLD2+.
How is the watchdog timer configured on the MAX6792TPLD2+?
The MAX6792TPLD2+ features a windowed watchdog timer controlled by WDS0 and WDS1 pins, enabling selection of fast/slow fault detection ratios (8×, 16×, or 64×). The default fixed timeout is 280ms (tWD2), with fast timeout (tWD1) set to 50ms for the D2 variant. Configuration is verified in Table 4 and the Watchdog Timer section of the MAX6792TPLD2+ datasheet.
What is the purpose of the HOLD pin on the MAX6792TPLD2+?
The HOLD pin on the MAX6792TPLD2+ enables self-holding circuitry: when pulled low after initial enable, it keeps OUT1/OUT2 active even if ENABLE1/ENABLE2 is subsequently deasserted - ideal for ignition-key–controlled power domains. HOLD is internally pulled up to OUT1 with 2μA, and its behavior is fully characterized in the "Enable and Hold Inputs" section and Table 3 of the MAX6792TPLD2+ datasheet.
Is the MAX6792TPLD2+ qualified for automotive use?
Yes, the MAX6792TPLD2+ is AEC-Q100 qualified (Grade 0, −40°C to +150°C junction) and specified for −40°C to +125°C ambient operation. Its qualification is explicitly stated in the "Benefits and Features" section and reinforced by thermal shutdown (+165°C), wide input range (5V–72V), and automotive-specific test conditions throughout the MAX6792TPLD2+ datasheet.
MAX6792TPLD2+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 20-WQFN Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Regulator/Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 4.625V, Adj
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 8.75ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TQFN (5x5)
MAX6792TPLD2+ FAQ
1.How can I place an order for MAX6792TPLD2+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6792TPLD2+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX6792TPLD2+ reliable?
The price and inventory of MAX6792TPLD2+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6792TPLD2+ is usually 5 days.
3.What payment methods are accepted for MAX6792TPLD2+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6792TPLD2+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6792TPLD2+?
MAX6792TPLD2+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6792TPLD2+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX6792TPLD2+?
For technical support, including MAX6792TPLD2+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6792TPLD2+ requirements.
6.How does Aetrix verify that MAX6792TPLD2+ is sourced from the original manufacturer or authorized distributors?
All MAX6792TPLD2+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX6792TPLD2+ meets industry standards.
7.What is the process for return or replacement of MAX6792TPLD2+?
All MAX6792TPLD2+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6792TPLD2+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX6792TPLD2+ part is unused and in its original packaging.
Return procedure for MAX6792TPLD2+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX6792TPLD2+ Tags
-
MIC826SYMT-TR
Microchip Technology
-
APX803S-31SA-7
Diodes Incorporated
-
APX803L20-29SA-7
Diodes Incorporated
-
TPS3828-33DBVR
Texas Instruments
-
V6340RSP3B+
EM Microelectronic
-
EM6325CXSP5B-2.9+
EM Microelectronic
-
MCP120T-300I/TT
Microchip Technology
-
MCP130T-315I/TT
Microchip Technology
-
MCP120T-475I/TT
Microchip Technology
-
MCP111T-300E/TT
Microchip Technology
-
MCP120T-315I/TT
Microchip Technology
-
MCP809T-315I/TT
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
