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Analog Devices Inc./Maxim Integrated MAX17290ETCC+T
- Part No.:
- MAX17290ETCC+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-WFQFN Exposed Pad
- Datasheet:
-
MAX17290ETCC+T.pdf
- Description:
- IC REG BOOST ADJ 1A 12TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,159
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Product details
Overview
MAX17290ETCC+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, 9ms internal soft-start, and integrated 5V PVL regulator. It is used in telecom power supplies and distributed point-of-load regulation where transient robustness and EMI reduction are critical.
For engineers reviewing the MAX17290ETCC+T datasheet, MAX17290ETCC+T pinout, MAX17290ETCC+T application, or MAX17290ETCC+T equivalent, key selection considerations include its 42V input transient protection, programmable slope compensation, spread-spectrum EMI reduction (B/D/F versions), and compatibility with logic-level nMOSFETs driven by the 5V PVL-regulated DRV output.
Technical Context
The MAX17290ETCC+T implements constant-frequency peak current-mode control with an internal 1V reference and transconductance error amplifier (700µS gm, 140µA sink/source). Its oscillator supports resistor-programmed frequencies from 100kHz to 1MHz (MAX17290 variant) and external synchronization via FSET/SYNC pin (220kHz–1000kHz range).
It integrates a 5V/100mA LDO (PVL) for gate drive and bias, 42V transient-tolerant inputs (EN, SUP, OVP, FB), and protection circuitry including hiccup-mode overcurrent response (16 consecutive current-limit cycles), thermal shutdown at 165°C, and PGOOD monitoring with 85–95% rising/falling thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 36V continuous; extends to 2.5V in bootstrapped mode - enables operation from partially discharged batteries or low-voltage rails. |
| Switching Frequency | 100kHz to 1MHz (resistor-programmable); supports external sync up to 1000kHz - balances efficiency, size, and EMI. |
| Shutdown Current | 4µA typical - minimizes system standby power loss in always-on applications. |
| PVL Regulator Output | 4.7V to 5.45V at 10mA - powers DRV and external circuitry; eliminates need for auxiliary bias supply. |
| Current-Sense Threshold | 212mV to 288mV - sets precise overcurrent limit; combined with ISNS blanking (60ns) improves noise immunity. |
| Thermal Shutdown | 165°C with 10°C hysteresis - prevents permanent damage during sustained overload or poor heatsinking. |
| PGOOD Accuracy | ±5% window (85–95% rising, 80–90% falling) - provides reliable power-good signaling for downstream sequencing. |
Pinout & Package
MAX17290ETCC+T is housed in a 12-pin, 3mm × 3mm TQFN-EP package with exposed pad (internally connected to GND) for enhanced thermal dissipation. The package supports -40°C to +85°C ambient operation and requires PCB thermal vias under the EP for optimal junction-to-ambient performance (68°C/W on 4-layer board).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | SUP | Main power input (4.5V–36V); bypass capacitor required; tolerates 42V transients. |
| 2 | EN | Active-high enable with 1.7V threshold; high-voltage capable (–0.3V to +42V) for direct battery connection. |
| 3 | GND | Analog/digital ground reference; connects to exposed pad for thermal and electrical integrity. |
| 4 | DRV | nMOS gate driver output (0–5V swing); sources 750mA/sinks 1000mA peak - drives logic-level FETs directly. |
| 5 | PVL | 5V internal regulator output; powers DRV and external circuitry; requires ≥2.2µF ceramic decoupling. |
| 6 | ISNS | Current-sense input with 250mV threshold; includes 60ns leading-edge blanking to reject MOSFET switching spikes. |
| 7 | OVP | Overvoltage protection input; disables switching when voltage exceeds 110% of FB reference - protects downstream loads. |
| 8 | REFIN | Reference input (0.5V–2V); sets output voltage dynamically; tied to PVL for fixed 1V FB regulation. |
| 9 | PGOOD | Open-drain power-good output; asserts after soft-start when VOUT reaches ≥90% of target - enables system sequencing. |
| 10 | FSET/SYNC | Frequency set (resistor-to-GND) or external sync input (220kHz–1000kHz); controls oscillator timing and phase alignment. |
| 11 | COMP | Error amplifier output; connects to Type II/III compensation network between COMP and GND for loop stability. |
| 12 | FB | Feedback input regulated to 1V (or REFIN); connects to resistor divider from output - defines regulated output voltage. |
Key Features
| Feature | Design Value |
|---|---|
| All-ceramic capacitor support | Enables ultra-compact, low-profile designs without electrolytic capacitors - improves reliability and lifetime. |
| Programmable slope compensation | Stabilizes current-mode control above 50% duty cycle using single external resistor - prevents subharmonic oscillation. |
| Spread-spectrum modulation (D version) | Reduces EMI peak emissions by ±6% frequency dithering - simplifies compliance testing in noise-sensitive systems. |
| 42V input transient protection | Allows direct connection to 24V/36V industrial or automotive rails without external TVS - reduces BOM count and cost. |
| Fixed 9ms soft-start | Linearly ramps internal reference to limit inrush current during startup - prevents input rail collapse and component stress. |
Applications
| Telecom Power Supply | Distributed Point-of-Load |
|---|---|
|
Use Scenario: Boosting 12V/24V telecom rack voltage to 48V intermediate bus for remote radio units. IC Role / Device Role / Timing Role: Primary PWM controller managing synchronous boost stage with external nMOSFET and Schottky diode. Use Value: 42V transient tolerance withstands load-dump events; 2.5MHz capability enables small magnetics and low-profile layout. |
Use Scenario: Generating stable 5V or 12V from variable battery input (e.g., 8–32V) in industrial IoT gateways. IC Role / Device Role / Timing Role: High-efficiency step-up controller regulating local supply for microcontrollers, sensors, and RF modules. Use Value: 4µA shutdown current extends battery life; bootstrapped mode allows operation down to 2.5V input. |
| Automotive Front-End Preboost | LED Lighting Driver Stage |
|
Use Scenario: Preboosting 9–16V automotive battery to 24V–48V for downstream buck regulators powering ADAS ECUs. IC Role / Device Role / Timing Role: Wide-input boost controller with hiccup-mode protection against shorted loads and thermal shutdown. Use Value: PVL-regulated DRV ensures logic-level MOSFET drive across temperature; OVP pin safeguards lighting modules. |
Use Scenario: Driving high-power LED strings requiring >40V from 12V vehicle or 24V industrial supply. IC Role / Device Role / Timing Role: Constant-current-capable boost controller interfaced with external current-sense amplifier and dimming interface. Use Value: Adjustable REFIN input enables analog/digital dimming; spread-spectrum reduces conducted EMI into sensitive optical sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX17292ETCC+T | Higher switching frequency range (1MHz–2.5MHz); same pinout and package; includes spread-spectrum (D version) | Better suited for ultra-compact designs requiring <1µH inductors and minimal output capacitance | Select MAX17292ETCC+T when board space is constrained and higher-frequency operation is acceptable for efficiency trade-off. |
| LM5122MMX/NOPB | Wider input range (3V–65V); integrated high-side gate driver; no internal PVL regulator; different pinout and compensation architecture | Targeted at high-voltage industrial and solar MPPT applications where input may exceed 36V | Choose LM5122MMX/NOPB only if input exceeds 36V or integrated high-side driver is required; not pin-compatible. |
Compared with MAX17292ETCC+T, MAX17290ETCC+T offers lower-frequency operation for improved light-load efficiency and reduced gate drive losses; compared with LM5122MMX/NOPB, it provides integrated 5V bias and simpler layout but lacks high-voltage input capability.
Availability
MAX17290ETCC+T is available at Aetrix Electronics and suitable for telecom hardware, automotive front-end preboost, and distributed point-of-load regulation requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX17290ETCC+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, designs precision analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX17290/MAX17292 product line targets high-reliability boost conversion in harsh environments, emphasizing wide-input operation, transient robustness, and EMI-conscious design for telecom and automotive power systems.
FAQ
What is the maximum input voltage transient rating for MAX17290ETCC+T?
MAX17290ETCC+T supports 42V input transients on EN, SUP, OVP, and FB pins. This allows direct connection to 24V/36V industrial or automotive rails without external TVS diodes, reducing system cost and footprint while maintaining reliability during load-dump events.
Does MAX17290ETCC+T require an external bias supply for the gate driver?
No. MAX17290ETCC+T integrates a 5V PVL regulator that powers the DRV output and can supply up to 100mA. This eliminates the need for an external bias rail and enables direct drive of logic-level nMOSFETs - simplifying design and improving efficiency.
Can MAX17290ETCC+T operate below 4.5V input?
Yes. When configured in bootstrapped mode - where the converter output supplies the SUP pin - MAX17290ETCC+T operates down to 2.5V input. This capability supports brownout recovery and extended runtime from partially discharged batteries in portable or backup systems.
How does the PGOOD output behave during fault conditions?
PGOOD goes low when output voltage falls below 85% of target. If 16 consecutive current-limit cycles occur while PGOOD is low, MAX17290ETCC+T enters hiccup mode: switching halts for 44ms, then restarts with full soft-start - protecting external MOSFETs and inductors during sustained overloads or shorts.
Is MAX17290ETCC+T compatible with external clock synchronization?
Yes. The FSET/SYNC pin accepts external logic-level clock signals from 220kHz to 1000kHz. A falling edge triggers DRV turn-on after a fixed delay (60ns at 2.2MHz), enabling precise phase alignment in multi-phase or noise-sensitive systems - without modifying internal oscillator settings.
MAX17290ETCC+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:
- Active
- 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:
- 100kHz ~ 1MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-TQFN (3x3)
MAX17290ETCC+T FAQ
1.How can I place an order for MAX17290ETCC+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX17290ETCC+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 MAX17290ETCC+T reliable?
The price and inventory of MAX17290ETCC+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX17290ETCC+T is usually 5 days.
3.What payment methods are accepted for MAX17290ETCC+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX17290ETCC+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX17290ETCC+T?
MAX17290ETCC+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX17290ETCC+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 MAX17290ETCC+T?
For technical support, including MAX17290ETCC+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX17290ETCC+T requirements.
6.How does Aetrix verify that MAX17290ETCC+T is sourced from the original manufacturer or authorized distributors?
All MAX17290ETCC+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 MAX17290ETCC+T meets industry standards.
7.What is the process for return or replacement of MAX17290ETCC+T?
All MAX17290ETCC+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX17290ETCC+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 MAX17290ETCC+T part is unused and in its original packaging.
Return procedure for MAX17290ETCC+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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