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Analog Devices Inc./Maxim Integrated MAX16910CATA9/V+
- Part No.:
- MAX16910CATA9/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX16910CATA9/V+.pdf
- Description:
- 200MA, AUTOMOTIVE, ULTRA-LOW QUI
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX16910CATA9/V+ from Analog Devices is an automotive-qualified, ultra-low quiescent current linear regulator delivering up to 200mA at fixed +5V output with 20µA no-load supply current, 280mV dropout at 200mA, and +45V input transient tolerance-designed for battery-powered automotive ECUs requiring stable low-power operation during cold-crank and load-dump events.
For engineers reviewing the MAX16910CATA9/V+ datasheet, MAX16910CATA9/V+ pinout, MAX16910CATA9/V+ application, or MAX16910CATA9/V+ equivalent, key selection criteria include its 92.5% reset threshold, TDFN-EP thermal performance (θJA = 41°C/W), -40°C to +125°C operating range, and configurable fixed/adjustable output modes using SET/SETOV pins.
Technical Context
The MAX16910CATA9/V+ implements a BiCMOS DMOS linear regulation architecture with integrated thermal shutdown (+180°C trip, +25°C hysteresis) and short-circuit protection (330mA typ). Its RESET output is open-drain, active-low, with factory-trimmed 92.5% output-voltage threshold and 60µs default timeout extendable via TIMEOUT pin capacitor.
Enable logic is active-high with internal 0.65µA pulldown; ENABLE withstands +45V, enabling direct connection to battery rail. Output voltage is set by SET/SETOV pin states: SET=GND + SETOV=OUT yields +5V fixed mode, matching the /V+ automotive qualification and TDFN-EP package's 3mm × 3mm footprint.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | +3.5V to +30V continuous, +45V transient tolerant-supports 12V/24V automotive systems through load-dump conditions. |
| Quiescent Current | 20µA at no load-enables >1-year battery standby in always-on modules without compromising ECU wake-up capability. |
| Output Current | Up to 200mA continuous-sufficient for powering microcontrollers, CAN transceivers, and sensor interfaces in compact ECUs. |
| Dropout Voltage | 280mV at 200mA-ensures regulation down to VIN = 5.28V for +5V output, critical during cold-crank (≤6V battery). |
| RESET Threshold | 92.5% of VOUT (±2.5%)-provides precise power-good monitoring for µC reset assertion with minimal external components. |
| Operating Temperature | -40°C to +125°C junction-certified for under-hood automotive placement per AEC-Q100 stress requirements. |
| Package | 8-pin TDFN-EP (3mm × 3mm)-exposed pad enables θJA = 41°C/W, supporting high ambient thermal environments without heatsink. |
Pinout & Package
MAX16910CATA9/V+ is housed in an 8-pin thermally enhanced TDFN-EP package (3mm × 3mm) with exposed pad internally connected to GND. The exposed pad must be soldered to PCB ground plane for optimal thermal performance (θJC = 8°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1. IN | Regulator input | Battery input rail connection; requires ≥1µF low-ESR ceramic bypass to GND for stability and transient suppression. |
| 2. ENABLE | Active-high enable | Drives regulator ON/OFF; internal 0.65µA pulldown ensures safe shutdown when left floating or driven by open-drain logic. |
| 3. SET | Feedback mode selector | GND selects fixed-output mode; IN or >2.4V enables adjustable mode via external resistive divider on SETOV. |
| 4. RESET | Open-drain reset output | Asserts low when VOUT drops below 92.5% threshold; sinks ≥0.5mA at VOL ≤ 0.4V-directly interfaces with µC reset pin. |
| 5. TIMEOUT | Reset timeout adjust | Capacitor-to-GND extends default 60µs delay; 1nF yields ~1.25ms-configurable for diverse µC power-up timing requirements. |
| 6. SETOV | Output voltage selector | Connected to OUT for +5V fixed mode; GND for +3.3V; or resistive divider for 1.5V–11V adjustable output (VSETOV = 1.25V). |
| 7. GND | Power ground | Primary return path; must be low-impedance connection shared with exposed pad for thermal and noise integrity. |
| 8. OUT | Regulated output | +5V output node; requires ≥4.7µF low-ESR ceramic capacitor to GND for stability across -40°C to +125°C. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 20µA at no load-meets ISO 16750-2 Class D (100µA system budget) for always-on automotive modules. |
| Load-dump robustness | +45V input transient tolerance-eliminates need for external TVS diode in 12V/24V vehicle architectures. |
| Integrated reset function | Factory-trimmed 92.5% threshold with adjustable timeout-replaces discrete reset IC, reducing BOM count and board area. |
| Thermal & short-circuit protection | +180°C thermal shutdown with +25°C hysteresis and 330mA current limit-ensures fault-safe operation without external circuitry. |
| Configurable output voltage | +3.3V/+5V fixed or 1.5V–11V adjustable via SET/SETOV pins-supports multiple MCU/sensor voltage rails from single regulator SKU. |
Applications
| Automotive Body Control Module (BCM) | Automotive Infotainment Power Supply |
|---|---|
|
Use Scenario: Powers microcontroller, LIN transceiver, and door-lock actuator drivers in BCM during sleep/wake cycles. IC Role / Device Role / Timing Role: Primary 5V LDO supplying core logic; RESET asserts during battery undervoltage to prevent MCU corruption. Use Value: 20µA quiescent current extends vehicle battery life in parked state; +45V tolerance survives alternator load-dump spikes. |
Use Scenario: Supplies 5V rail to audio DSP, display controller, and USB interface in head-unit systems. IC Role / Device Role / Timing Role: Post-regulator after DC-DC converter; RESET synchronizes power-up sequence with SoC boot ROM. Use Value: 280mV dropout maintains regulation during cold-crank (6V battery); adjustable TIMEOUT supports multi-core SoC reset timing. |
| Industrial Telematics Gateway | Commercial Vehicle ADAS Sensor Hub |
|
Use Scenario: Provides clean 5V power to GPS module, cellular modem, and CAN FD controller in fleet-tracking units. IC Role / Device Role / Timing Role: Isolated 5V source with RESET monitoring; ENABLE controlled by host MCU for power cycling. Use Value: -40°C to +125°C rating ensures operation in unventilated enclosures; TDFN-EP package minimizes thermal derating in dense layouts. |
Use Scenario: Powers radar preprocessor, camera ISP, and CAN/LIN transceivers in front-end sensor fusion unit. IC Role / Device Role / Timing Role: Secondary LDO for low-noise analog supply; RESET output triggers sensor recalibration on power recovery. Use Value: 4.7µF output capacitor enables stable operation with fast load transients; 92.5% threshold prevents premature reset during brownout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX16910CATA8/V+ | Identical package and specs except 87.5% RESET threshold (vs. 92.5% for MAX16910CATA9/V+) | Suitable where earlier reset assertion is required during gradual VOUT sag (e.g., slow-battery-discharge monitoring) | Select MAX16910CATA8/V+ only if system-level reset timing analysis confirms 87.5% threshold improves reliability over 92.5%. |
| TLV73350PDBVR | Lower IQ (450nA), lower current (300mA), but only +5.5V max input and no automotive qualification or RESET output | Applicable in non-automotive, low-power portable designs where input voltage stays <6V and reset functionality is handled externally | Choose TLV73350PDBVR for cost-sensitive consumer applications lacking load-dump/cold-crank requirements and needing nanoamp IQ. |
Compared with MAX16910CATA8/V+, the MAX16910CATA9/V+ provides later reset assertion for improved noise immunity during marginal VOUT conditions; versus TLV73350PDBVR, it delivers automotive-grade robustness, integrated RESET, and 45V transient handling at the cost of higher quiescent current.
Availability
MAX16910CATA9/V+ is available at Aetrix Electronics and suitable for automotive body control modules, infotainment systems, and telematics gateways requiring stable component supply across extended temperature and harsh electrical environments.
Supply support for MAX16910CATA9/V+ 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, and communications markets since 1965.
The MAX16910 product line delivers ultra-low-IQ linear regulators engineered specifically for automotive ECU power management-balancing stringent quiescent current targets with robustness against load-dump, cold-crank, and wide-temperature operation.
FAQ
What is the RESET threshold voltage for MAX16910CATA9/V+?
The MAX16910CATA9/V+ features a factory-trimmed RESET threshold at 92.5% of the regulated output voltage, with ±2.5% tolerance over temperature. For a +5V output, this corresponds to 4.625V nominal, ensuring reliable power-good detection before microcontroller brownout. This threshold is fixed and cannot be adjusted via external components.
Can MAX16910CATA9/V+ be used in adjustable-output mode?
Yes, MAX16910CATA9/V+ supports adjustable output from +1.5V to +11V by connecting SET to IN (or >2.4V) and configuring SETOV with an external resistive divider between OUT and GND. The feedback reference is 1.25V, so VOUT = 1.25V × (1 + R1/R2). This mode retains all protections and specifications, including 20µA quiescent current and +45V input tolerance.
What package type does MAX16910CATA9/V+ use?
MAX16910CATA9/V+ uses an 8-pin TDFN-EP (3mm × 3mm) package with exposed thermal pad. The "T" in the part number denotes TDFN, and the "A" indicates the automotive-grade variant. The exposed pad must be soldered to PCB ground for thermal performance (θJA = 41°C/W) and electrical stability.
How does the TIMEOUT pin affect MAX16910CATA9/V+ reset behavior?
The TIMEOUT pin on MAX16910CATA9/V+ sets the duration RESET remains low after VOUT exceeds its 92.5% threshold. With TIMEOUT open, the default delay is 60µs. Connecting a capacitor (e.g., 1nF) from TIMEOUT to GND extends the delay to ~1.25ms. The relationship is CTIMEOUT (nF) = 0.8 × ITO (μA) × TTIMEOUT (ms), where ITO = 1μA typical.
Is MAX16910CATA9/V+ qualified for automotive applications?
Yes, MAX16910CATA9/V+ is explicitly automotive-qualified, indicated by the "/V+" suffix. It meets AEC-Q100 stress test requirements and operates across -40°C to +125°C junction temperature. Its +45V input tolerance, load-dump resilience, and integrated protections make it suitable for under-hood and chassis-mounted ECUs.
MAX16910CATA9/V+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Strip
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable (Fixed)
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 30V
- Voltage - Output (Min/Fixed):
- 1.5V (3.3V, 5V)
- Voltage - Output (Max):
- 11V
- Voltage Dropout (Max):
- 0.6V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 30 µA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (100Hz)
- Control Features:
- Enable, Reset
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN (3x3)
MAX16910CATA9/V+ FAQ
1.How can I place an order for MAX16910CATA9/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16910CATA9/V+ 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 MAX16910CATA9/V+ reliable?
The price and inventory of MAX16910CATA9/V+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16910CATA9/V+ is usually 5 days.
3.What payment methods are accepted for MAX16910CATA9/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16910CATA9/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16910CATA9/V+?
MAX16910CATA9/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16910CATA9/V+ 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 MAX16910CATA9/V+?
For technical support, including MAX16910CATA9/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16910CATA9/V+ requirements.
6.How does Aetrix verify that MAX16910CATA9/V+ is sourced from the original manufacturer or authorized distributors?
All MAX16910CATA9/V+ 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 MAX16910CATA9/V+ meets industry standards.
7.What is the process for return or replacement of MAX16910CATA9/V+?
All MAX16910CATA9/V+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX16910CATA9/V+, 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 MAX16910CATA9/V+ part is unused and in its original packaging.
Return procedure for MAX16910CATA9/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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