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Analog Devices Inc./Maxim Integrated MAX16134MLG+
- Part No.:
- MAX16134MLG+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-8
- Datasheet:
-
MAX16134MLG+.pdf
- Description:
- IC SUPERVISOR 3 CHANNEL SOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:4,137
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Product details
Overview
MAX16134MLG+ from Analog Devices is a precision triple-voltage microprocessor supervisor IC designed for automotive ADAS and multivoltage ASIC systems. It monitors three independent supply rails (IN1, IN2, IN3) for undervoltage and overvoltage faults with ±1% threshold accuracy over -40°C to +125°C, factory-programmable nominal input voltages (1.0V–5.0V), and 23 selectable reset timeout periods down to 20µs. Its active-low open-drain reset outputs (RESET1, RESET2, RESET3) support functional safety-critical power sequencing.
For engineers reviewing the MAX16134MLG+ datasheet, MAX16134MLG+ pinout, MAX16134MLG+ application, or MAX16134MLG+ equivalent, this page delivers verified technical context on window-threshold supervision, triple-input timing coordination, automotive-grade hysteresis options (0.25%/0.5%), and SOT23-8 package integration - all critical for reliable system-level reset management in safety-conscious designs.
Technical Context
The MAX16134MLG+ implements independent window-comparator architecture per input channel, where each INx pin compares its monitored voltage against a factory-trimmed undervoltage (UV) and overvoltage (OV) threshold pair derived from nominal voltage and tolerance selection (±4% to ±11%). All three reset outputs share a single factory-set timeout period (here: 70ms, per suffix 'M') and assert low when any corresponding input falls outside its window.
Its internal voltage reference and trimming circuitry ensure ±1% total threshold accuracy across temperature, while 0.25% or 0.5% hysteresis per input prevents chatter during marginal supply transients. The device guarantees correct reset logic state down to VDD = 1.07V and draws only 12.5μA typical supply current, enabling low-power always-on monitoring in automotive domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Channels | Triple (IN1, IN2, IN3) with independent UV/OV window detection |
| Threshold Accuracy | ±1% over -40°C to +125°C - enables precise fault detection without calibration |
| Nominal Input Range | Factory-programmable 1.0V to 5.0V per input - supports diverse rail voltages (e.g., 1.2V core, 3.3V I/O, 5.0V analog) |
| Reset Timeout | 70ms minimum (suffix 'M') - ensures sufficient hold time for processor initialization |
| Supply Current | 12.5μA typical - minimizes standby power in battery-backed or always-on systems |
| Output Type | Three active-low, open-drain reset outputs (RESET1/2/3) - allows wired-OR configuration and flexible pull-up voltage selection |
| Operating Temp | -40°C to +125°C - qualified for under-hood automotive applications per AEC-Q100 |
Pinout & Package
MAX16134MLG+ is housed in an 8-pin SOT23 package (outline 21-0078, land pattern 90-0176), optimized for space-constrained automotive PCB layouts. Thermal resistance θJA = 196°C/W (4-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VDD | Supply input | 1.71V–5.5V main power; requires 0.1μF bypass capacitor to GND for noise immunity |
| 2 - IN3 | Third monitoring input | Connects to third supply rail (e.g., 1.2V, 1.8V, or 2.5V); triggers RESET3 on UV/OV fault |
| 3 - IN1 | First monitoring input | Primary rail monitor (e.g., 5.0V or 3.3V); triggers RESET1 on fault |
| 4 - IN2 | Second monitoring input | Secondary rail monitor (e.g., 1.8V or 2.5V); triggers RESET2 on fault |
| 5 - GND | Ground reference | Analog and digital ground return; must be low-impedance connection |
| 6 - RESET3 | Active-low open-drain output | Asserts low during IN3 fault; requires external pull-up resistor to host VDD or logic rail |
| 7 - RESET1 | Active-low open-drain output | Asserts low during IN1 fault; shares same timeout as RESET2/RESET3 |
| 8 - RESET2 | Active-low open-drain output | Asserts low during IN2 fault; electrically isolated from other resets for independent control |
Key Features
| Feature | Design Value |
|---|---|
| Triple independent window supervision | Enables concurrent monitoring of CPU core, I/O, and analog rails without external comparators or logic |
| ±1% threshold accuracy over temp | Eliminates need for system-level recalibration in automotive thermal cycles |
| 0.25% or 0.5% hysteresis per input | Rejects short-duration supply glitches (<15μs) while preserving tight threshold resolution |
| 23 factory-set timeout options | Allows precise match to processor reset timing requirements (e.g., 70ms for ARM Cortex-A76 boot) |
| AEC-Q100 qualified | Validated for automotive use including HTOL, TC, and ESD testing - supports ASIL-B functional safety goals |
Applications
| ADAS Sensor Fusion Module | Multivoltage ASIC Power Sequencing |
|---|---|
Use Scenario: Monitoring power rails for radar, camera, and LiDAR sensor SoCs operating at 1.0V, 1.8V, and 3.3V simultaneously. IC Role / Device Role / Timing Role: Triple-voltage supervisor ensuring all three supplies stabilize within ±1% window before releasing individual reset signals to enable synchronized startup. Use Value: Prevents partial initialization and metastability by enforcing strict, independent rail validation - critical for ISO 26262-compliant sensor fusion. | Use Scenario: Coordinating power-up sequence of heterogeneous ASIC blocks (CPU, GPU, memory controller) with differing voltage requirements. IC Role / Device Role / Timing Role: Provides three independent, timed reset assertions aligned to ASIC block-specific voltage ramp tolerances and lock times. Use Value: Replaces discrete RC networks and logic gates with a single IC, reducing BOM count and layout area by >60% while improving timing repeatability. |
| Automotive Infotainment Head Unit | Industrial Storage Controller |
Use Scenario: Supervising 5.0V USB-PD interface, 3.3V display interface, and 1.2V application processor core in a head unit with extended temperature operation. IC Role / Device Role / Timing Role: Window comparator per rail with 70ms timeout ensures stable power before enabling high-speed interfaces and video pipelines. Use Value: Guarantees clean boot under cold-crank (low-VDD) and load-dump (overvoltage) conditions - meets OEM EMC and reliability specs. | Use Scenario: Validating 12V DC-DC output, 5.0V SATA controller rail, and 3.3V NVMe interface voltage in enterprise SSD controllers. IC Role / Device Role / Timing Role: Triple-input supervision with ±1% accuracy detects subtle brownouts that could corrupt NAND flash writes or PCIe link training. Use Value: Reduces uncorrectable error rates by preventing operation during marginal supply conditions - extends MTBF in 24/7 storage deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage supervision applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX16133BHA+T | Dual-input variant (IN1/IN2 only); identical 70ms timeout, ±1% accuracy, and SOT23-8 package | Lacks third monitoring channel - suitable only for two-rail systems | Select when supervising exactly two supplies and board space permits same footprint |
| TLV809E33DBVR | Single-channel 3.3V supervisor; fixed threshold, no OV detection, no programmable timeout | No window supervision or multi-rail coordination - requires three separate ICs for triple monitoring | Use only for cost-sensitive, non-automotive applications with simple undervoltage-only requirements |
Compared with MAX16133BHA+T and TLV809E33DBVR, the MAX16134MLG+ uniquely delivers triple independent window supervision in one AEC-Q100-qualified SOT23-8 package - eliminating design complexity, interconnect risk, and thermal mismatch issues inherent in multi-IC solutions.
Availability
MAX16134MLG+ is available at Aetrix Electronics and suitable for ADAS sensor modules, automotive infotainment systems, and industrial storage controllers requiring stable component supply with full automotive qualification and long-term lifecycle support.
Supply support for MAX16134MLG+ 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, communications, and healthcare markets.
The MAX16132–MAX16135 family was engineered specifically for automotive ADAS and safety-critical multivoltage systems, delivering precision window supervision with guaranteed ±1% accuracy across extreme temperature ranges.
FAQ
What is the function of the MAX16134MLG+ in a power management system?
The MAX16134MLG+ serves as a triple-voltage microprocessor supervisor that independently monitors three supply rails (IN1, IN2, IN3) for undervoltage and overvoltage faults using factory-programmed window thresholds. It asserts three active-low open-drain reset signals (RESET1, RESET2, RESET3) when any monitored voltage deviates beyond its ±4% to ±11% tolerance band. This ensures safe, sequenced startup and fault recovery in automotive and industrial systems - a core function of the MAX16134MLG+.
Does the MAX16134MLG+ support overvoltage detection on all three inputs?
Yes, the MAX16134MLG+ provides full window supervision - meaning it detects both undervoltage and overvoltage conditions on each of its three inputs (IN1, IN2, IN3). Unlike basic reset ICs, it uses independent comparators per channel to trigger RESETx when voltage falls below the UV threshold *or* rises above the OV threshold, with hysteresis (0.25% or 0.5%) to prevent chatter. This dual-fault detection is intrinsic to the MAX16134MLG+ architecture.
What does the 'M' suffix in MAX16134MLG+ indicate?
The 'M' in MAX16134MLG+ specifies the factory-programmed reset timeout period: 70ms minimum. Per Table 9 in the datasheet, suffix 'M' corresponds to tRP = 70ms - the duration RESETx remains asserted after the monitored voltage returns within its window threshold. This value is laser-trimmed during manufacturing and cannot be adjusted externally. All three reset outputs of the MAX16134MLG+ share this identical timeout.
Can unused inputs on the MAX16134MLG+ be left floating?
No - unused inputs on the MAX16134MLG+ must not be left floating. The datasheet explicitly states: "Connect any unused IN_ input to its nominal voltage setting." Floating inputs may cause false resets due to noise coupling or comparator instability. For example, if only IN1 and IN2 are used, IN3 must be tied to its programmed nominal voltage (e.g., 1.2V or 3.3V) via a low-impedance source - a direct connection or buffered reference, not an open node. This requirement applies strictly to the MAX16134MLG+.
Is the MAX16134MLG+ qualified for automotive applications?
Yes, the MAX16134MLG+ is AEC-Q100 qualified for automotive use and specified over the full -40°C to +125°C junction temperature range. It undergoes stress testing including high-temperature operating life (HTOL), temperature cycling, and ESD per AEC-Q100 Rev H. The '/V' suffix denotes full automotive qualification; however, MAX16134MLG+ (without '/V') is also manufactured and tested to the same automotive standards per Analog Devices' product definition - confirmed by its inclusion in the automotive-grade MAX16132–MAX16135 family datasheet and ordering table.
MAX16134MLG+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-8
- Packaging:
- Strip
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 3
- Voltage - Threshold:
- 1V, 1.8V, 3.3V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 70ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-8
MAX16134MLG+ FAQ
1.How can I place an order for MAX16134MLG+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16134MLG+ 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 MAX16134MLG+ reliable?
The price and inventory of MAX16134MLG+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16134MLG+ is usually 5 days.
3.What payment methods are accepted for MAX16134MLG+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16134MLG+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16134MLG+?
MAX16134MLG+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16134MLG+ 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 MAX16134MLG+?
For technical support, including MAX16134MLG+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16134MLG+ requirements.
6.How does Aetrix verify that MAX16134MLG+ is sourced from the original manufacturer or authorized distributors?
All MAX16134MLG+ 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 MAX16134MLG+ meets industry standards.
7.What is the process for return or replacement of MAX16134MLG+?
All MAX16134MLG+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX16134MLG+, 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 MAX16134MLG+ part is unused and in its original packaging.
Return procedure for MAX16134MLG+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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