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Analog Devices Inc./Maxim Integrated MAX17292ETCF+T
- Part No.:
- MAX17292ETCF+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-WFQFN Exposed Pad
- Datasheet:
-
MAX17292ETCF+T.pdf
- Description:
- IC REG BOOST ADJ 1A 12TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,689
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Product details
Overview
MAX17292ETCF+T from Maxim Integrated is a high-efficiency, synchronous step-up DC-DC controller optimized for wide-input industrial and automotive boost applications. It operates from 4.5V to 36V input (extendable to 2.5V in bootstrapped mode), delivers up to 2.5MHz switching frequency, features 4μA shutdown current, integrated 5V PVL regulator, and supports external synchronization via FSET/SYNC pin. It is used in telecom power supplies requiring compact, high-frequency, transient-robust preboost stages.
For engineers reviewing the MAX17292ETCF+T datasheet, MAX17292ETCF+T pinout, MAX17292ETCF+T application, or MAX17292ETCF+T equivalent, key selection criteria include its 1MHz–2.5MHz programmable switching range, 42V input transient protection, 180° SYNCO output for multiphase operation, and REFIN-based on-the-fly output voltage adjustment capability.
Technical Context
The MAX17292ETCF+T implements constant-frequency peak current-mode PWM control with programmable slope compensation and leading-edge blanking to stabilize high-duty-cycle operation. Its internal transconductance error amplifier (700μS) drives COMP with ±140μA sourcing/sinking capability for fast load transient response.
It integrates a 5V low-dropout PVL regulator (4.7V–5.45V output), 42V-rated input protection, hiccup-mode fault recovery (55ms period), and spread-spectrum modulation (±6% frequency dither) in B/D/F variants - all enabled without external components beyond RFSET, sense resistor, and compensation network.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switching Frequency Range | 1MHz to 2.5MHz - enables ultra-compact magnetics and reduced EMI filtering requirements |
| Input Voltage Range | 4.5V to 36V (2.5V min in bootstrapped mode) - supports automotive battery cold-crank and industrial wide-range inputs |
| Shutdown Current | 4μA typical - minimizes standby power loss in always-on systems |
| PVL Regulator Output | 4.7V to 5.45V - powers external logic and DRV gate driver directly, eliminating auxiliary LDO |
| ISNS Current Limit Threshold | 212mV to 288mV - sets precise overcurrent protection with 250mV typical trip for predictable MOSFET sizing |
| FB Regulation Accuracy | ±1% (0.99V–1.01V) - ensures stable output voltage across line, load, and temperature |
| Thermal Shutdown | 165°C with 10°C hysteresis - protects against sustained overload or poor PCB thermal design |
Pinout & Package
MAX17292ETCF+T is housed in a 12-pin 3mm × 3mm TQFN-EP package with exposed pad connected to GND for enhanced thermal dissipation. The package supports -40°C to +85°C ambient operation and requires solder reflow per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SUP | Power-supply input | Accepts 4.5V–36V input; bypass capacitor required; withstands 42V transients |
| EN | Active-high enable | Logic- or high-voltage compatible; disables controller and reduces supply current to 4μA |
| GND | Ground reference | Signal and power ground; connects internally to exposed pad |
| DRV | nMOS gate driver output | Drives external high-side switch with 750mA source / 1000mA sink peak current |
| PVL | 5V internal regulator output | Powers DRV and external circuitry; requires ≥2.2μF ceramic capacitor close to pin |
| ISNS | Current-sense input | Monitors external sense resistor; includes 40ns–60ns blanking and programmable slope compensation |
| REFIN | Reference input | Accepts 0.5V–2V external voltage to dynamically adjust FB regulation point |
| OVP | Overvoltage protection input | Disables switching when >110% of FB voltage; resumes at 107.5% with hysteresis |
| PGOOD | Open-drain power-good output | Asserts after soft-start when VOUT >90%; enters hiccup mode after 16 consecutive current-limit events |
| FSET/SYNC | Frequency set or sync input | Resistor-programmed (1MHz–2.5MHz) or accepts external clock (1MHz–2.5MHz) |
| COMP | Error amplifier output | Connects to Type II/III compensation network between COMP and GND |
| FB | Feedback input | Regulated to 1V (or REFIN) - sets output voltage via resistor divider from VOUT |
Key Features
| Feature | Design Value |
|---|---|
| Bootstrapped mode operation | Enables 2.5V minimum input by self-biasing SUP from output, critical for battery-powered start-up |
| Spread-spectrum modulation | ±6% frequency dither reduces EMI peak emissions without altering average switching frequency |
| 180° SYNCO output | Enables two-phase interleaved boost with second MAX17292 to halve input/output ripple and improve thermal distribution |
| Fixed 9ms soft-start | Linearly ramps internal reference to limit inrush current during power-up, reducing stress on input capacitors and MOSFET |
| 42V input transient protection | Withstands automotive load-dump surges without external TVS, simplifying front-end protection design |
Applications
| Telecom Power Front-End | Automotive Preboost Stage |
|---|---|
Use Scenario: Boosting 12V battery or 48V backplane to 54V intermediate bus in base station RF power amplifiers. IC Role / Device Role / Timing Role: Primary synchronous boost controller managing high-efficiency voltage step-up with tight output regulation under dynamic RF load. Use Value: 2.5MHz operation allows <1μH inductors and 10μF ceramic output caps, shrinking solution size by >40% vs. 500kHz alternatives. |
Use Scenario: Preboosting automotive 9V–16V battery to stable 24V rail for ADAS camera modules during cold-crank conditions. IC Role / Device Role / Timing Role: Wide-input boost controller enabling reliable operation down to 2.5V via bootstrapped mode during engine cranking. Use Value: 42V transient rating eliminates need for external TVS diode, reducing BOM count and board area in space-constrained ECU designs. |
| Industrial Distributed Supply | LED Driver Intermediate Bus |
Use Scenario: Generating isolated 24V/48V rails from unregulated 12V–36V factory floor power in PLC I/O modules. IC Role / Device Role / Timing Role: High-reliability boost controller with hiccup-mode fault recovery and thermal shutdown for continuous industrial operation. Use Value: PGOOD monitoring and 55ms hiccup period prevent latch-up during short-circuit faults, improving system uptime and serviceability. |
Use Scenario: Providing regulated 40V intermediate bus for multi-string constant-current LED drivers in streetlight fixtures. IC Role / Device Role / Timing Role: High-frequency boost controller driving logic-level nMOSFETs with integrated 5V PVL supply. Use Value: All-ceramic capacitor support and >90% peak efficiency reduce heat generation and eliminate electrolytic capacitor aging concerns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM5122MMX/NOPB | Wider 3V–75V input range; no integrated PVL regulator; requires external bias supply for gate driver | Better suited for ultra-wide-input HV applications but increases component count and layout complexity | Choose LM5122MMX/NOPB only if input exceeds 36V or PVL functionality is unnecessary |
| TPS40210DGQR | Fixed 600kHz switching; no spread spectrum; no REFIN or SYNCO; lower max frequency (1MHz) | Limited to fixed-frequency designs without multiphase or EMI-sensitive requirements | Select TPS40210DGQR for cost-sensitive, non-EMI-critical 12V–24V boost where 2.5MHz operation is not needed |
Compared with LM5122MMX/NOPB and TPS40210DGQR, MAX17292ETCF+T uniquely combines 2.5MHz programmability, integrated 5V PVL, 180° SYNCO, and spread-spectrum EMI reduction - making it optimal for space-constrained, high-density, and noise-sensitive industrial and automotive boost designs.
Availability
MAX17292ETCF+T is available at Aetrix Electronics and suitable for telecom hardware, automotive preboost systems, and industrial distributed supply regulation requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX17292ETCF+T 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX17290/MAX17292 product line delivers high-frequency, wide-input synchronous boost controllers targeting compact, efficient, and robust power conversion in harsh environments - especially where input transients, thermal constraints, or EMI compliance are critical.
FAQ
What is the maximum switching frequency supported by MAX17292ETCF+T?
The MAX17292ETCF+T supports a programmable switching frequency range of 1MHz to 2.5MHz using an external resistor on the FSET/SYNC pin. At RFSET = 12kΩ, the typical frequency is 2.2MHz. External synchronization is also supported within the same 1MHz–2.5MHz band, and spread-spectrum modulation applies when using the internal oscillator.
Does MAX17292ETCF+T require an external bias supply for the gate driver?
No. MAX17292ETCF+T integrates a 5V PVL regulator that powers the DRV gate driver directly. This eliminates the need for an external bias supply and supports logic-level nMOSFETs. The PVL output delivers 4.7V–5.45V and requires a minimum 2.2μF ceramic capacitor placed close to the PVL pin.
How does the bootstrapped mode extend the input voltage range of MAX17292ETCF+T?
In bootstrapped mode, MAX17292ETCF+T uses its own boosted output to power the SUP pin, allowing operation down to 2.5V input - well below the standard 4.5V minimum. This is essential for automotive cold-crank scenarios and battery-powered systems where input voltage dips during startup.
What protection features are built into MAX17292ETCF+T?
MAX17292ETCF+T includes overvoltage protection (OVP) via dedicated pin, hiccup-mode fault recovery (triggered after 16 current-limit cycles), thermal shutdown at 165°C, 42V input transient tolerance, and fixed 9ms soft-start to limit inrush current. PGOOD provides system-level status monitoring and fault signaling.
Can MAX17292ETCF+T be used in a two-phase interleaved boost configuration?
Yes. MAX17292ETCF+T provides a 180° phase-shifted SYNCO output that can synchronize a second MAX17292ETCF+T or compatible device. This enables true two-phase interleaving, reducing input/output ripple current by up to 50% and distributing thermal load across both controllers.
MAX17292ETCF+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 12-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 1A
- Frequency - Switching:
- 1MHz ~ 2.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-TQFN (3x3)
MAX17292ETCF+T FAQ
1.How can I place an order for MAX17292ETCF+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX17292ETCF+T 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 MAX17292ETCF+T reliable?
The price and inventory of MAX17292ETCF+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX17292ETCF+T is usually 5 days.
3.What payment methods are accepted for MAX17292ETCF+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX17292ETCF+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX17292ETCF+T?
MAX17292ETCF+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX17292ETCF+T 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 MAX17292ETCF+T?
For technical support, including MAX17292ETCF+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX17292ETCF+T requirements.
6.How does Aetrix verify that MAX17292ETCF+T is sourced from the original manufacturer or authorized distributors?
All MAX17292ETCF+T 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 MAX17292ETCF+T meets industry standards.
7.What is the process for return or replacement of MAX17292ETCF+T?
All MAX17292ETCF+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX17292ETCF+T, 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 MAX17292ETCF+T part is unused and in its original packaging.
Return procedure for MAX17292ETCF+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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