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Analog Devices Inc./Maxim Integrated MAX16058ATA16+
- Part No.:
- MAX16058ATA16+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX16058ATA16+.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL 8TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,576
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Product details
Overview
MAX16058ATA16+ from Analog Devices is an ultra-low-power microprocessor supervisory IC with open-drain RESET output, factory-trimmed 1.575V reset threshold, capacitor-adjustable reset timeout (10.5–17.0ms), and integrated watchdog timer supporting normal/extended modes. It monitors single-supply systems in battery-powered medical and portable electronics where supply integrity and power efficiency are critical.
For engineers reviewing the MAX16058ATA16+ datasheet, MAX16058ATA16+ pinout, MAX16058ATA16+ application, or MAX16058ATA16+ equivalent, key selection criteria include its 125nA typical supply current, -40°C to +125°C automotive-grade operation, 3mm × 3mm TDFN-8EP package, and watchdog timeout configurability via SWT/WDS pins - all validated for glucose monitors, patient monitors, and metering systems.
Technical Context
The MAX16058ATA16+ implements a precision voltage monitor with ±1.5% VTH tolerance at +25°C and ±2.5% over temperature, coupled with dual ramp-based timing circuits: one for reset timeout (SRT pin, 5.15×10⁶ × CSRT) and another for watchdog timeout (SWT pin, floor-based calculation with 6.4ms clock period). Its active-low open-drain RESET output remains asserted for tRP after VCC recovery or MR release.
Watchdog functionality includes WDS-selectable 128× timeout extension, WDI pulse detection (≥150ns), and automatic clearing on RESET assertion or WDS transition. The device guarantees valid RESET down to VCC = 1.1V and features transient immunity up to 40µs for 100mV overdrive, enabling robust operation in noisy power environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 125nA typical at VCC = 1.8V, TA = -40°C to +125°C - enables multi-year battery life in always-on medical sensors |
| Reset Threshold | 1.575V (factory-trimmed, ±2.5% over -40°C to +125°C) - matches low-voltage microcontrollers like ARM Cortex-M0+ |
| Reset Timeout | 10.5–17.0ms (CSRT = 2700pF) - configurable via external capacitor to align with µP power-up sequence |
| Watchdog Timeout | 5–9.5ms (normal mode), extendable to 217s (extended mode with 0.33µF) - supports flexible firmware watchdog servicing intervals |
| Operating Range | VCC = 1.1V to 5.5V, TA = -40°C to +125°C - certified for automotive and industrial ambient conditions |
| Output Type | Open-drain RESET - allows level-shifting to different logic domains and wired-OR configuration with other supervisors |
| Package | 8-pin TDFN-EP (3mm × 3mm, 0.75mm height) - exposes thermal pad for improved heat dissipation in compact PCB layouts |
Pinout & Package
MAX16058ATA16+ uses an 8-pin TDFN-EP (exposed pad) package with 0.5mm pitch. The exposed pad must be connected to GND for optimal thermal performance and EMI suppression.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: RESET | Active-low open-drain reset output | Drives low during VCC brownout, MR assertion, or watchdog timeout; requires external pullup for logic-high state |
| 2: GND | Ground reference | Primary return path for internal circuitry and SRT/SWT capacitor discharge |
| 3: SWT | Watchdog timeout capacitor input | Connects to GND via CSWT (2275pF–0.54µF) to set base watchdog period; grounding disables watchdog |
| 4: MR | Manual reset input | Active-low asynchronous trigger; no internal pullup - must be tied to VCC if unused |
| 5: SRT | Reset timeout capacitor input | Connects to GND via CSRT (39pF–4.7µF) to define reset deassertion delay after fault clearance |
| 6: WDI | Watchdog input | Falling-edge-triggered; must be toggled within tWD to prevent reset; detects pulses ≥150ns |
| 7: WDS | Watchdog select input | GND = normal mode (tWD); VCC = extended mode (tWD × 128); transition clears watchdog counter |
| 8: VCC | Power supply input | Monitored supply rail (1.1–5.5V); bypass with 0.1µF ceramic capacitor to GND for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low ICC | 125nA typical supply current enables >10-year coin-cell operation in wearable health monitors |
| Capacitor-adjustable timing | SRT and SWT pins allow precise, board-level tuning of reset and watchdog timeouts without firmware changes |
| Watchdog flexibility | WDS pin provides hardware-selectable 128× timeout extension - eliminates need for software reconfiguration |
| Transient immunity | Immune to ≤40µs, 100mV VCC transients - prevents spurious resets during switching regulator noise events |
| Guaranteed RESET validity | RESET remains functional down to VCC = 1.1V - ensures reliable reset assertion during deep brownout |
Applications
| Glucose Monitoring Systems | Patient Vital Sign Monitors |
|---|---|
|
Use Scenario: Continuous glucose monitoring (CGM) patch worn for 14 days on lithium coin-cell power. IC Role / Device Role / Timing Role: Supervises 1.8V MCU supply and triggers full-system reset on voltage sag or firmware hang. Use Value: 125nA ICC extends battery life beyond clinical requirement; open-drain RESET interfaces cleanly with analog front-end bias rails. |
Use Scenario: Portable ECG/SpO₂ monitor used in home care with intermittent wireless transmission. IC Role / Device Role / Timing Role: Provides brownout protection and watchdog supervision for ARM-based data acquisition subsystem. Use Value: Adjustable tRP (10.5–17ms) aligns precisely with ADC initialization time; -40°C to +125°C rating covers storage and clinical use extremes. |
| Smart Energy Meters | HVAC Sensor Nodes |
|
Use Scenario: DIN-rail mounted electricity meter operating unattended for 15+ years in outdoor enclosures. IC Role / Device Role / Timing Role: Monitors 3.3V system rail and asserts RESET during grid-induced sags or lightning-induced transients. Use Value: 40µs transient immunity prevents false resets from switching surges; TDFN-EP package withstands thermal cycling in sealed housings. |
Use Scenario: Wireless temperature/humidity sensor node deployed in HVAC ductwork with wide ambient swings. IC Role / Device Role / Timing Role: Ensures reliable boot sequencing of ultra-low-power MCU after cold-start at -40°C. Use Value: Factory-trimmed 1.575V threshold matches low-VDD MCU operation; guaranteed RESET down to 1.1V prevents latch-up during slow power ramps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar supervisory circuit applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX16056ATA16+ | Push-pull RESET output; identical VTH, timing, and watchdog architecture | Requires no external pullup; unsuitable where wired-OR reset bus or level-shifting is needed | Select when driving CMOS inputs directly and minimizing BOM count is prioritized |
| TPS3808G15DBVR | Fixed 1.5V reset threshold; 1.4µA ICC (vs. 125nA); no watchdog; SOT-23-6 package | Lacks capacitor-adjustable timing and watchdog - limited to basic power-on reset only | Choose for cost-sensitive, non-safety-critical applications where ultra-low ICC and watchdog are unnecessary |
Compared with MAX16056ATA16+, MAX16058ATA16+ offers open-drain flexibility for system-level reset arbitration, while TPS3808G15DBVR trades nanoPower operation and watchdog capability for lower unit cost and smaller footprint in simpler designs.
Availability
MAX16058ATA16+ is available at Aetrix Electronics and suitable for glucose monitors, patient vital sign monitors, smart energy meters, and HVAC sensor nodes requiring stable component supply across automotive and industrial temperature ranges.
Supply support for MAX16058ATA16+ 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 industrial, automotive, communications, and healthcare markets.
The MAX16056–MAX16059 family was designed specifically for ultra-low-power, high-reliability supervisory functions in battery-operated medical and portable equipment - emphasizing nanoPower consumption, wide temperature operation, and field-configurable timing.
FAQ
What is the factory-trimmed reset threshold voltage for MAX16058ATA16+?
The MAX16058ATA16+ has a factory-trimmed reset threshold of 1.575V, with ±1.5% tolerance at +25°C and ±2.5% over the full -40°C to +125°C operating range. This value is confirmed in Table 1 of the datasheet under suffix "16", and applies specifically to the MAX16058ATA16+ variant - not the broader MAX16056–MAX16059 family.
Does MAX16058ATA16+ support watchdog timer disable functionality?
Yes, MAX16058ATA16+ supports watchdog disable by connecting the SWT pin directly to GND. When SWT is grounded, the watchdog timer function is disabled and no reset pulse is generated due to watchdog timeout. This behavior is explicitly documented in the Pin Description section and Detailed Description for MAX16056/MAX16058 devices.
What package type and dimensions does MAX16058ATA16+ use?
MAX16058ATA16+ uses an 8-pin TDFN-EP (Thin Dual Flat No-lead with Exposed Pad) package measuring 3.0mm × 3.0mm × 0.75mm. The exposed pad (EP) must be soldered to a GND plane for thermal and electrical performance - this is specified in the Package Information section and Pin Configurations diagram.
Can MAX16058ATA16+ operate with supply voltages below 1.8V?
Yes, MAX16058ATA16+ operates from VCC = 1.1V to 5.5V. Its 125nA typical supply current is specified down to 1.8V, and it guarantees valid RESET assertion down to VCC = 1.1V - making it suitable for sub-1.8V microcontrollers and energy-harvesting systems where supply rails dip during low-power states.
How is the reset timeout period configured on MAX16058ATA16+?
The reset timeout period on MAX16058ATA16+ is configured using an external capacitor (CSRT) connected between the SRT pin and GND. The relationship is tRP = 5.15 × 10⁶ × CSRT (tRP in seconds, CSRT in farads), yielding 10.5–17.0ms for CSRT = 2700pF. This capacitor-based method avoids trimming resistors and enables precise, board-level timing adjustment.
MAX16058ATA16+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 1.575V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- Adjustable/Selectable
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN (3x3)
MAX16058ATA16+ FAQ
1.How can I place an order for MAX16058ATA16+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16058ATA16+ 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 MAX16058ATA16+ reliable?
The price and inventory of MAX16058ATA16+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16058ATA16+ is usually 5 days.
3.What payment methods are accepted for MAX16058ATA16+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16058ATA16+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16058ATA16+?
MAX16058ATA16+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16058ATA16+ 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 MAX16058ATA16+?
For technical support, including MAX16058ATA16+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16058ATA16+ requirements.
6.How does Aetrix verify that MAX16058ATA16+ is sourced from the original manufacturer or authorized distributors?
All MAX16058ATA16+ 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 MAX16058ATA16+ meets industry standards.
7.What is the process for return or replacement of MAX16058ATA16+?
All MAX16058ATA16+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX16058ATA16+, 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 MAX16058ATA16+ part is unused and in its original packaging.
Return procedure for MAX16058ATA16+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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