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Analog Devices Inc./Maxim Integrated MAX16962SAUEA/V+T
- Part No.:
- MAX16962SAUEA/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Datasheet:
-
MAX16962SAUEA/V+T.pdf
- Description:
- IC REG BUCK ADJ 4A 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,634
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Product details
Overview
MAX16962SAUEA/V+T from Maxim Integrated is a 4A, 2.2MHz synchronous step-down DC-DC converter designed for automotive point-of-load regulation. It operates from 2.7V to 5.5V input, delivers 0.8V–3.6V adjustable output, achieves ±2.6% output voltage accuracy over load/line/temperature, integrates low-RDS(ON) MOSFETs, and features spread-spectrum EMI reduction - ideal for infotainment power rails.
For engineers reviewing the MAX16962SAUEA/V+T datasheet, MAX16962SAUEA/V+T pinout, MAX16962SAUEA/V+T application, or MAX16962SAUEA/V+T equivalent, key selection considerations include its 16-pin TSSOP-EP automotive package, 8ms soft-start, open-drain power-good with 16ms delay, SKIP/PWM mode control via PWM pin, and factory-configured SYNC-as-input functionality.
Technical Context
The MAX16962SAUEA/V+T implements a current-mode synchronous buck architecture with dual LX outputs (LX1/LX2) paralleled for 4A continuous current delivery. Its internal 2.2MHz oscillator supports fixed-frequency PWM operation or light-load SKIP mode, with programmable spread-spectrum modulation reducing peak radiated emissions by ±6% frequency deviation.
It uses an external resistive divider on OUTS for output voltage setting (0.8V–3.6V), includes integrated overcurrent protection with 5.2A–8.5A pMOS current-limit threshold, and features thermal shutdown at +165°C with 15°C hysteresis - all specified across –40°C to +125°C automotive temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.7V to 5.5V - supports wide automotive battery transients including cold-crank (≥2.7V) and load-dump (≤5.5V). |
| Output Current | 4A continuous - achieved via paralleled LX1/LX2 switching nodes with integrated 34mΩ high-side and 25mΩ low-side MOSFETs. |
| Switching Frequency | 2.2MHz (±10%) - enables use of small all-ceramic capacitors and avoids AM-band interference. |
| Output Voltage Accuracy | –3.7% / +2.6% over load, line, and temperature - meets tight regulation requirements for SoC core supplies. |
| Quiescent Current | 26µA in SKIP mode - minimizes standby power loss in always-on automotive modules. |
| Shutdown Current | 1µA - ensures negligible battery drain during vehicle sleep mode. |
| Soft-Start Time | 8ms fixed - limits inrush current into output capacitance during ignition-up sequencing. |
| Power-Good Delay | 16ms - provides stable output settling time before asserting PG signal to downstream logic. |
Pinout & Package
MAX16962SAUEA/V+T is packaged in a thermally enhanced 16-pin TSSOP-EP (exposed pad) with 0.65mm pitch, optimized for automotive PCB layouts requiring robust thermal performance and EMI control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX1, LX2 | Parallel Switching Nodes | Internally connected high-current paths delivering combined 4A output; require low-inductance routing to inductor. |
| PGND1, PGND2 | Separate Power Ground Returns | Isolate high-di/dt return paths for LX1 and LX2 to minimize ground bounce and improve stability. |
| PV1, PV2 | Dual Input Supply Pins | Independent 5V input rails each bypassed with ≥4.7µF ceramic caps; must be shorted together for normal operation. |
| PV | Analog/Digital Supply Pin | Bypassed with 1µF ceramic + 10Ω RC filter; powers internal bias circuitry and logic blocks. |
| OUTS | Feedback Input (Adjustable Mode) | Connects to external resistor divider (R1/R2) to set output voltage; sensitive node requiring noise-free placement away from LX. |
| EN | Enable Control Input | Active-high logic input (2.4V threshold); internal 100kΩ pulldown allows default-disable behavior when unconnected. |
| PWM | Mode Select Input | Forces FPWM (high) or SKIP (low) operation; determines efficiency vs. transient response trade-off. |
| SYNC | Factory-Configured I/O | Configured as SYNC input (1.7–2.4MHz) for system clock synchronization - no external pullup required. |
| PG | Open-Drain Power-Good Output | Asserts after 16ms delay when VOUT is within ±8%/+10% window; requires external 20kΩ pullup to VPV. |
| GND | Analog Ground Reference | Common reference for feedback, error amp, and internal regulators; must connect to low-noise ground plane. |
| EP | Exposed Thermal Pad | Must be soldered to large copper pour with multiple vias for thermal dissipation; not a functional ground connection. |
Key Features
| Feature | Design Value |
|---|---|
| 2.2MHz Fixed-Frequency Operation | Enables compact 0.47µH inductors and all-ceramic output filtering without ferrite beads. |
| Spread-Spectrum Modulation | Reduces peak radiated EMI by spreading energy over ±6% bandwidth - critical for CISPR 25 Class 5 compliance. |
| Integrated Low-RDS(ON) MOSFETs | 34mΩ (pMOS) / 25mΩ (nMOS) reduces conduction losses and eliminates discrete FET layout complexity. |
| 8ms Internal Soft-Start | Prevents input voltage sag and output overshoot during startup without external timing components. |
| Automotive Temperature Range | –40°C to +125°C junction operation with thermal shutdown at +165°C ensures reliability in under-hood environments. |
| Open-Drain Power-Good with Delay | 16ms timeout ensures downstream processors only boot after stable rail establishment - prevents brownout resets. |
Applications
| Automotive Infotainment Systems | ADAS Camera Power Supplies |
|---|---|
Use Scenario: Powering SoC cores, DDR memory, and display interfaces in head-unit systems exposed to wide battery voltage swings and EMI-sensitive RF bands. IC Role / Device Role / Timing Role: Primary point-of-load regulator converting 5V domain to 1.2V/1.8V/3.3V rails with fast transient response and low noise. Use Value: 2.2MHz switching avoids AM radio band (530–1710kHz), while spread-spectrum further suppresses narrowband emissions critical for FM/AM coexistence. | Use Scenario: Providing clean, regulated 1.2V and 2.5V supplies to image sensors and ISP processors in rear-view and surround-view camera modules. IC Role / Device Role / Timing Role: High-efficiency synchronous buck delivering 4A peak current during sensor burst readout with minimal thermal rise. Use Value: Dual LX outputs paralleled for lower current density per switch node, reducing layout parasitics and improving thermal distribution in space-constrained camera housings. |
| Industrial Vehicle Telematics | Automotive Body Control Modules |
Use Scenario: Regulating power for GPS/GNSS receivers, cellular modems, and CAN FD controllers in fleet management gateways operating continuously in parked mode. IC Role / Device Role / Timing Role: Always-on buck converter maintaining 3.3V rail with 26µA quiescent current in SKIP mode and 1µA shutdown current. Use Value: Ultra-low IQ extends battery backup runtime during vehicle off-state; power-good delay ensures modem firmware initializes only after stable supply. | Use Scenario: Supplying microcontrollers, LIN transceivers, and LED drivers in door modules and seat control units subject to harsh thermal cycling. IC Role / Device Role / Timing Role: Robust post-regulator handling load dumps up to 5.5V and cold-crank dips to 2.7V while maintaining ±2.6% output accuracy. Use Value: Factory-trimmed feedback reference and integrated overtemperature protection eliminate need for external compensation or thermal monitoring circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4436-AEC1 | 4A, 2.2MHz, 2.7–6V input; integrated 30mΩ/18mΩ MOSFETs; no spread-spectrum; SYNC input only. | Lower RDS(ON) improves full-load efficiency but lacks EMI-reduction feature needed for infotainment. | Select when highest efficiency > lowest EMI; verify thermal design with higher power density. |
| TPS62933-Q1 | 3A, 2.2MHz, 3–18V input; 0.8–5.5V output; 15µA IQ; no spread-spectrum; pin-compatible TQFN-16. | Wider input range suits 12V systems but lower current rating requires derating for 4A loads. | Select for multi-rail designs needing 3A+1A split or where 12V input compatibility outweighs 4A requirement. |
Compared with MPQ4436-AEC1 and TPS62933-Q1, the MAX16962SAUEA/V+T uniquely combines 4A capability, automotive-grade spread-spectrum EMI control, and factory-configured SYNC-as-input - making it optimal for noise-sensitive infotainment SoC power domains where board space and regulatory compliance are constrained.
Availability
MAX16962SAUEA/V+T is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera modules, and telematics gateways requiring stable component supply with full AEC-Q100 qualification and long-term production support.
Supply support for MAX16962SAUEA/V+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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for automotive, industrial, and communications markets.
The MAX16962 belongs to Maxim's automotive-qualified DC-DC converter product line, engineered specifically for demanding point-of-load applications in infotainment, ADAS, and body electronics where EMI, thermal, and reliability constraints exceed standard commercial requirements.
FAQ
What is the maximum output current capability of the MAX16962SAUEA/V+T?
The MAX16962SAUEA/V+T delivers up to 4A continuous output current by paralleling its LX1 and LX2 switching nodes. This is validated under conditions where VPV1 = VPV2 = 5V and ambient temperature ≤ +70°C with proper PCB thermal design. The device includes overcurrent protection with a typical 6.8A pMOS current-limit threshold to safeguard against short-circuit events.
Does the MAX16962SAUEA/V+T support adjustable output voltage?
Yes, the MAX16962SAUEA/V+T supports adjustable output voltage from 0.8V to 3.6V using an external resistive divider connected to the OUTS pin. The feedback reference voltage is precisely trimmed to 800mV, and the device achieves ±2.6% output accuracy over temperature and load when configured this way - confirmed in the Electrical Characteristics table under "FB Regulation Voltage" and "Feedback Set-Point Accuracy".
What package type is used for the MAX16962SAUEA/V+T?
The MAX16962SAUEA/V+T uses a 16-pin TSSOP-EP (exposed pad) package with RoHS-compliant lead-free finish. This thermally enhanced package features an exposed thermal pad (EP) that must be soldered to a large contiguous copper ground plane with multiple vias to achieve the specified 38.3°C/W junction-to-ambient thermal resistance and sustain 4A operation at +125°C ambient.
How does the SYNC pin function on the MAX16962SAUEA/V+T?
On the MAX16962SAUEA/V+T, the SYNC pin is factory-configured as a synchronization input accepting an external 1.7MHz to 2.4MHz clock signal. When enabled via the PWM pin, it allows precise phase alignment with other converters in the system - critical for reducing beat frequencies and meeting stringent automotive EMI standards. No external pullup or configuration resistor is required.
What protections are built into the MAX16962SAUEA/V+T?
The MAX16962SAUEA/V+T integrates overcurrent protection (with 5.2A–8.5A current-limit threshold), overtemperature shutdown (+165°C with 15°C hysteresis), undervoltage lockout (2.37V to 2.6V with 70mV hysteresis), and soft-start (8ms fixed). It also features an open-drain power-good output with 16ms delay and ±8%/+10% voltage window detection - all verified across the –40°C to +125°C automotive temperature range.
MAX16962SAUEA/V+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 3.6V
- Current - Output:
- 4A
- Frequency - Switching:
- 2.2MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP-EP
MAX16962SAUEA/V+T FAQ
1.How can I place an order for MAX16962SAUEA/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16962SAUEA/V+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 MAX16962SAUEA/V+T reliable?
The price and inventory of MAX16962SAUEA/V+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16962SAUEA/V+T is usually 5 days.
3.What payment methods are accepted for MAX16962SAUEA/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16962SAUEA/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16962SAUEA/V+T?
MAX16962SAUEA/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16962SAUEA/V+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 MAX16962SAUEA/V+T?
For technical support, including MAX16962SAUEA/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16962SAUEA/V+T requirements.
6.How does Aetrix verify that MAX16962SAUEA/V+T is sourced from the original manufacturer or authorized distributors?
All MAX16962SAUEA/V+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 MAX16962SAUEA/V+T meets industry standards.
7.What is the process for return or replacement of MAX16962SAUEA/V+T?
All MAX16962SAUEA/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX16962SAUEA/V+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 MAX16962SAUEA/V+T part is unused and in its original packaging.
Return procedure for MAX16962SAUEA/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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