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Analog Devices Inc./Maxim Integrated MAX17292EUBA+T
- Part No.:
- MAX17292EUBA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
MAX17292EUBA+T.pdf
- Description:
- IC REG BOOST ADJ 1A 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,039
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Product details
Overview
MAX17292EUBA+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 (with 42V transient protection), supports 1MHz–2.5MHz switching via external resistor or SYNC input, delivers >90% peak efficiency, and features a 5V internal PVL regulator enabling logic-level MOSFET drive. It is used in telecom power supplies and battery-fed preboost stages.
For engineers reviewing the MAX17292EUBA+T datasheet, MAX17292EUBA+T pinout, MAX17292EUBA+T application, or MAX17292EUBA+T equivalent, key selection criteria include its 2.5MHz max switching frequency, 4µA shutdown current, bootstrapped 2.5V min input operation, spread-spectrum EMI reduction, and 180° SYNCO output for multiphase synchronization.
Technical Context
The MAX17292EUBA+T implements constant-frequency peak current-mode control with programmable slope compensation and 60ns leading-edge blanking to stabilize high-duty-cycle operation. Its error amplifier delivers 700µS transconductance and 140µA source/sink capability for fast load transient response.
It integrates a 5V/100mA PVL LDO, 42V-rated input protection, hiccup-mode short-circuit protection with 44ms restart delay, and thermal shutdown at 165°C with 10°C hysteresis. The FSET/SYNC pin accepts either a resistor (12kΩ → 2.2MHz) or external clock (1MHz–2.5MHz) for synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switching Frequency | 1MHz–2.5MHz (set by 12kΩ resistor or external SYNC); enables compact magnetics and low output ripple. |
| Input Voltage Range | 4.5V–36V continuous, 42V transient rated; supports harsh automotive and industrial supply rails. |
| Shutdown Current | 4µA typical; minimizes battery drain in always-on systems. |
| Peak Efficiency | >90%; reduces thermal load and improves power density in space-constrained designs. |
| PVL Regulator Output | 4.7V–5.45V; powers external gate drivers and logic, enabling direct use of logic-level nMOSFETs. |
| Current-Sense Threshold | 212mV–288mV; sets precise overcurrent limit with external sense resistor for robust fault protection. |
| Soft-Start Time | 6ms–12ms (fixed 9ms typical); controls inrush current during power-up to prevent input rail collapse. |
Pinout & Package
The MAX17292EUBA+T is housed in a 10-pin µMAX-EP package (3mm × 3mm, 0.8mm height) with exposed pad for thermal dissipation. Pin 1 is SUP; pin 10 is EP (exposed pad, internally connected to GND).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SUP | Power-supply input | Accepts 4.5V–36V input; requires ≥1µF ceramic bypass to GND for stability. |
| EN | Active-high enable | Logic- or high-voltage compatible; pulls device into <4µA shutdown when low. |
| GND | Ground reference | Signal and power return; connects to EP for optimal thermal performance. |
| DRV | nMOS gate driver output | Swings 0V–PVL (~5V); sources 750mA/sinks 1000mA peak to drive external FET. |
| PVL | 5V internal regulator output | Supplies DRV and external circuitry; requires ≥2.2µF ceramic capacitor close to pin. |
| ISNS | Current-sense input | Monitors voltage across external sense resistor; includes 60ns blanking to reject switching spikes. |
| REFIN | Reference input | Accepts 0.5V–2V external voltage to set FB regulation point; enables dynamic output adjustment. |
| PGOOD | Open-drain power-good flag | Asserts high after soft-start when VOUT >90% target; enters hiccup mode after 16 consecutive current-limit events. |
| FSET/SYNC | Frequency set or sync input | Resistor sets 1–2.5MHz; external clock synchronizes phase; falling edge triggers DRV turn-on with 60ns delay. |
| FB | Feedback input | Regulated to 1V (when REFIN = PVL) or to REFIN value; sets output voltage via resistor divider. |
Key Features
| Feature | Design Value |
|---|---|
| All-ceramic capacitor support | Enables ultra-compact, low-profile boost solutions without electrolytic capacitors. |
| Bootstrapped 2.5V min input operation | Allows converter to self-power from its own output, extending usable input range below 4.5V. |
| Spread-spectrum modulation (B/D/F versions) | Reduces EMI peak emissions by ±6% frequency dithering-no added BOM cost. |
| 180° SYNCO output | Enables seamless two-phase interleaved boost with second MAX17290/MAX17292 for lower ripple and thermal stress. |
| Adjustable slope compensation | Stabilizes current loop above 50% duty cycle using single external resistor on ISNS pin. |
Applications
| Telecom Power Supply | Automotive Preboost Stage |
|---|---|
Use Scenario: 48V intermediate bus generation from 24V vehicle battery in base station remote radio units. IC Role / Device Role / Timing Role: Primary PWM controller managing synchronous boost stage with 2.2MHz switching and PVL-powered gate drive. Use Value: 42V transient tolerance prevents latch-up during load dump; 4µA shutdown extends backup battery life during idle. |
Use Scenario: Boosting 9V–16V automotive battery to stable 24V rail for LED headlamp drivers. IC Role / Device Role / Timing Role: High-efficiency preboost controller operating in bootstrapped mode down to 2.5V cold-crank input. Use Value: >90% efficiency minimizes heat in sealed headlamp housing; hiccup mode protects against shorted LED strings. |
| Industrial Distributed Supply | Point-of-Load for FPGA Core |
Use Scenario: Local 12V-to-24V conversion in factory automation I/O modules with wide ambient temperature range. IC Role / Device Role / Timing Role: Synchronous boost controller with thermal shutdown (165°C) and -40°C to +85°C operation. Use Value: Exposed-pad µMAX package ensures reliable thermal performance on standard PCBs without heatsinks. |
Use Scenario: Generating 1.2V/5A core supply for Xilinx Artix-7 FPGA from 3.3V backplane rail. IC Role / Device Role / Timing Role: Fast-transient-response boost controller using 700µS error amplifier and 140µA COMP drive. Use Value: 9ms soft-start prevents inrush-induced brownout; PGOOD sequencing enables safe FPGA configuration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX17290EUBA+T | Lower switching frequency range (100kHz–1MHz); no spread-spectrum; same pinout and package. | Better suited for EMI-sensitive audio or sensor front-ends where lower fundamental frequency simplifies filtering. | Select MAX17290EUBA+T when 1MHz max frequency suffices and spread-spectrum is unnecessary. |
| LM5122MMX/NOPB | Wider input range (3V–75V); integrated high-side gate driver; no internal PVL regulator; different pinout. | Preferred for ultra-wide-input industrial systems (e.g., solar charge controllers) requiring higher VIN tolerance. | Choose LM5122MMX/NOPB only if input exceeds 36V or integrated high-side drive is required-requires PCB redesign. |
Compared with MAX17290EUBA+T, the MAX17292EUBA+T offers higher-frequency operation and built-in spread-spectrum EMI reduction, while LM5122MMX/NOPB trades internal regulation and pin compatibility for extended input voltage range and integrated driver architecture.
Availability
MAX17292EUBA+T is available at Aetrix Electronics and suitable for telecom hardware, automotive preboost stages, and industrial distributed supply regulation requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX17292EUBA+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 demanding industrial, automotive, and communications applications.
The MAX17290/MAX17292 product line targets high-efficiency, wide-input boost conversion in space- and thermally constrained environments-emphasizing reliability under voltage transients and simplified layout with all-ceramic support.
FAQ
What is the maximum switching frequency supported by the MAX17292EUBA+T?
The MAX17292EUBA+T supports a maximum switching frequency of 2.5MHz when configured with a 12kΩ resistor on the FSET/SYNC pin or synchronized to an external 2.5MHz clock signal. This high-frequency capability allows use of smaller inductors and capacitors, reducing solution size and improving transient response in compact power designs.
Does the MAX17292EUBA+T include an internal voltage regulator?
Yes, the MAX17292EUBA+T integrates a 5V PVL regulator (4.7V–5.45V output) capable of supplying up to 100mA. This regulator powers the internal gate driver (DRV) and can also supply external circuitry, enabling direct interface with logic-level nMOSFETs and eliminating the need for an external bias supply.
Can the MAX17292EUBA+T operate with input voltages below 4.5V?
Yes-the MAX17292EUBA+T supports bootstrapped operation down to 2.5V minimum input when the output supplies the SUP pin. In standard operation, it requires 4.5V–36V, but the bootstrapped mode extends usability during cold-crank automotive conditions or low-battery states without external circuitry.
How does the MAX17292EUBA+T protect against output overvoltage?
The MAX17292EUBA+T does not include an OVP pin in the EUBA package variant (only ETCC/D and ETCE/F versions do). Protection relies on proper feedback divider design and system-level monitoring. For OVP functionality, select MAX17292ETCC+T or MAX17292ETCE+T, which feature a dedicated OVP pin with 110% FB threshold and 2.5% hysteresis.
What thermal performance can be expected from the MAX17292EUBA+T in a standard PCB layout?
In a four-layer board layout, the MAX17292EUBA+T (µMAX-EP) achieves a junction-to-ambient thermal resistance of 78°C/W. With the exposed pad soldered to a solid ground plane, it sustains continuous operation at full load up to +85°C ambient, and triggers thermal shutdown at +165°C with 10°C hysteresis to ensure safe recovery.
MAX17292EUBA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 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:
- 10-uMAX-EP
MAX17292EUBA+T FAQ
1.How can I place an order for MAX17292EUBA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX17292EUBA+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 MAX17292EUBA+T reliable?
The price and inventory of MAX17292EUBA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX17292EUBA+T is usually 5 days.
3.What payment methods are accepted for MAX17292EUBA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX17292EUBA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX17292EUBA+T?
MAX17292EUBA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX17292EUBA+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 MAX17292EUBA+T?
For technical support, including MAX17292EUBA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX17292EUBA+T requirements.
6.How does Aetrix verify that MAX17292EUBA+T is sourced from the original manufacturer or authorized distributors?
All MAX17292EUBA+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 MAX17292EUBA+T meets industry standards.
7.What is the process for return or replacement of MAX17292EUBA+T?
All MAX17292EUBA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX17292EUBA+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 MAX17292EUBA+T part is unused and in its original packaging.
Return procedure for MAX17292EUBA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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