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Analog Devices Inc./Maxim Integrated MAX16065ETM+CDM
- Part No.:
- MAX16065ETM+CDM
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Power Supply Controllers, Monitors
- Package:
- -
- Datasheet:
-
MAX16065ETM+CDM.pdf
- Description:
- INTEGRATED CIRCUIT
- Quantity:
- Payment:
- Shipping:
Inventory:3,269
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Product details
Overview
MAX16065ETM+CDM from Maxim Integrated is a 12-channel flash-configurable system manager IC that monitors, sequences, and protects complex power systems. It integrates a ±2.5% accurate high-side current-sense amplifier, a 1% accurate 10-bit SAR ADC, nonvolatile fault logging, and SMBus/JTAG configuration - all in a 48-pin TQFN package. It is used in multi-rail server and telecom power architectures requiring precise startup/shutdown sequencing and fault capture.
For engineers reviewing the MAX16065ETM+CDM datasheet, MAX16065ETM+CDM pinout, MAX16065ETM+CDM application, or MAX16065ETM+CDM equivalent, this page delivers verified technical context, real-world sequencing use cases, validated alternatives, and supply-chain support specific to the MAX16065ETM+CDM - not the MAX16066 or generic family members.
Technical Context
The MAX16065ETM+CDM implements a dual-stage sequencer with primary and secondary sequence blocks, each configurable via flash registers (e.g., r77h–r7Dh for slot delays from 20μs to 1.6s). Its 10-bit ADC scans up to 12 MON_ inputs using programmable single-ended or differential modes, comparing each against independently set overvoltage, undervoltage, and early-warning thresholds stored in nonvolatile memory.
It supports two serial interfaces - SMBus (with 25–35ms timeout) and JTAG - but only one may be active at a time. Fault response includes up to three configurable fault outputs, automatic flash-based fault logging with lock-bit protection, and GPIO- or register-triggered shutdown of primary/secondary groups based on critical fault detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Monitored Channels | 12 voltage inputs (MON1–MON12) + 1 high-side current channel (CSP/CSM) |
| ADC Accuracy | ±0.7% gain error, ±1 LSB offset, 10-bit resolution - enables ±2.5% system voltage monitoring compliance |
| Current Sense Accuracy | ±2.5% at 150mV VSENSE (gain = 6), with 80dB CMRR/PSRR - supports precision rail current validation |
| Supply Range | 2.8V to 14V on VCC - allows direct 12V intermediate bus powering without external regulators |
| Sequencing Outputs | 12 EN_OUT pins (EN_OUT1–EN_OUT12); EN_OUT1–EN_OUT8 support +10V charge-pump drive for external n-MOSFETs |
| Nonvolatile Memory | Flash stores configuration (thresholds, timing, sequence order) and auto-logs fault data with write-protection lock bit |
| Operating Temp | -40°C to +85°C - qualified for industrial and telecom base station environments |
Pinout & Package
MAX16065ETM+CDM is housed in a 48-pin, 7mm × 7mm, exposed-pad TQFN package (EP internally connected to GND). Pin functions are validated per Maxim's official pin description table and functional diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MON1–MON12 | Configurable analog monitor inputs | Accept 0–5.56V input range; scaled by internal ADC for ±2.5% voltage supervision |
| CSP / CSM | High-side current-sense differential pair | Supports 3–14V common-mode; measures load current via external sense resistor |
| EN_OUT1–EN_OUT12 | Programmable sequencing outputs | EN_OUT1–EN_OUT8 include integrated charge pump (+10V above GND) to directly drive n-channel MOSFET gates |
| GPIO1–GPIO8 | Flash-configurable I/Os | Can serve as fault outputs, watchdog I/O, manual reset, or margin enable - no external logic required |
| SCL / SDA / A0 / TCK / TMS / TDI / TDO | SMBus or JTAG interface terminals | Dual-interface support enables factory programming (JTAG) and field reconfiguration (SMBus) |
| VCC / ABP / DBP / GND / EP | Power and ground terminals | VCC powers entire device (2.8–14V); ABP/DBP are internal 3.0V regulators for analog/digital domains |
Key Features
| Feature | Design Value |
|---|---|
| Dual-sequence architecture | Primary + secondary sequencing blocks allow staged power-up (e.g., core logic first, peripherals later) with independent fault handling |
| Nonvolatile fault logger | Automatically stores fault flags, channel voltages, and failing slot number in flash with hardware lock-bit protection against accidental overwrite |
| Charge-pump EN outputs | EN_OUT1–EN_OUT8 deliver +10V gate drive - eliminates need for external level-shifters when controlling n-MOSFET power switches |
| Configurable early-warning threshold | Per-channel early-warning limit can be set as either overvoltage or undervoltage - enables predictive rail margining before hard fault occurs |
| Independent watchdog mode | Watchdog timer can run independently of sequencer state (r73h[4] = 1), supporting continuous system health monitoring during stable operation |
Applications
| Server Power Management | Telecom Base Station PSU |
|---|---|
Use Scenario: Sequencing 12V, 5V, 3.3V, 1.8V, and 1.2V rails in high-density rack servers with hot-swap capability. IC Role / Device Role / Timing Role: System manager performing power-up/down sequencing, real-time voltage/current monitoring, and fault-triggered shutdown. Use Value: Prevents back-feeding and latch-up by enforcing strict monotonic ramping order; captures pre-failure voltage droop in flash for root-cause analysis. |
Use Scenario: Managing redundant DC-DC modules and FPGA/CPU power domains in 4G/5G macro base stations. IC Role / Device Role / Timing Role: Centralized power supervisor coordinating primary and secondary power domains via dual-sequence blocks. Use Value: Enables power-gating of peripheral subsystems (e.g., RF front-end) during low-traffic periods while maintaining core uptime - reducing idle power by >30%. |
| Storage RAID Controller | Networking Switch Fabric |
Use Scenario: Controlling power sequencing for SAS/SATA drives, NVMe SSDs, and controller ASICs in enterprise storage enclosures. IC Role / Device Role / Timing Role: Flash-configurable sequencer with nonvolatile fault logging for field-deployed units requiring post-failure diagnostics. Use Value: Logs exact timestamped voltage collapse on MON7 (1.0V core) during thermal shutdown - enabling correlation with thermal sensor logs. |
Use Scenario: Coordinating power delivery to multiple line-card FPGAs, PHYs, and packet processors in modular Ethernet switches. IC Role / Device Role / Timing Role: Multi-rail supervisor with SMBus interface for remote configuration and real-time rail health telemetry. Use Value: Delivers live MONx ADC readings and fault status via SMBus to host BMC - eliminating need for discrete ADCs and GPIO polling. |
Availability
MAX16065ETM+CDM is available at Aetrix Electronics and suitable for server power management, telecom base station PSUs, storage RAID controllers, and networking switch fabric applications requiring stable component supply across long production lifecycles.
Supply support for MAX16065ETM+CDM 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 and mixed-signal ICs for power, sensing, and communication systems - with emphasis on reliability and configurability in harsh environments.
The MAX16065 product line delivers flash-configurable, fault-resilient power sequencing and monitoring for high-availability infrastructure equipment where firmware-defined flexibility replaces fixed-function supervisors.
FAQ
What is the maximum number of voltage rails the MAX16065ETM+CDM can monitor and sequence?
The MAX16065ETM+CDM monitors up to 12 voltage rails (MON1–MON12) and sequences up to 12 power supplies via EN_OUT1–EN_OUT12. This distinguishes it from the 8-channel MAX16066ETL+. All 12 channels support independent overvoltage, undervoltage, and early-warning threshold configuration stored in nonvolatile flash memory - confirmed in the MAX16065/MAX16066 datasheet Rev 4, Section "General Description" and "Pin Description".
Does the MAX16065ETM+CDM support both SMBus and JTAG interfaces simultaneously?
No - the MAX16065ETM+CDM supports SMBus and JTAG serial interfaces, but only one may be active at a time. The memory map is divided into three pages, and access is controlled by dedicated SMBus or JTAG commands. Simultaneous use risks bus contention and undefined behavior, as explicitly stated in the "Detailed Description" section of the MAX16065/MAX16066 datasheet.
What is the purpose of the ABP and DBP pins on the MAX16065ETM+CDM?
ABP is a 3.0V internal analog regulator powering ADC, comparators, and current-sense circuitry; DBP is a 3.0V digital regulator powering flash, logic, and push-pull outputs. For VCC ≤ 3.6V, ABP and DBP must be shorted to VCC to disable regulators. Both require 1μF ceramic bypass capacitors to GND - per the "Power" subsection in the MAX16065/MAX16066 datasheet Rev 4.
Can the MAX16065ETM+CDM perform current monitoring, and what is its accuracy?
Yes - the MAX16065ETM+CDM integrates a dedicated high-side current-sense amplifier (CSP/CSM inputs) with ±2.5% accuracy at 150mV VSENSE (gain = 6), and ±4% at 50mV (gain = 12). Total unadjusted error includes gain, offset, and quantization components. This enables precise rail current validation without external amplifiers - specified in the "ELECTRICAL CHARACTERISTICS" table under "CURRENT SENSE".
How does the nonvolatile fault logger function in the MAX16065ETM+CDM?
During a fault, the MAX16065ETM+CDM automatically writes fault flags, channel voltage snapshots, and failing slot number to internal flash memory and sets a lock bit to prevent accidental erasure. Data persists through power cycles and is readable via SMBus/JTAG. This behavior is enabled by default and requires no host intervention - documented in the "General Description", "Features", and "Detailed Description" sections of the MAX16065/MAX16066 datasheet.
MAX16065ETM+CDM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- -
- Voltage - Input:
- -
- Voltage - Supply:
- -
- Current - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX16065ETM+CDM FAQ
1.How can I place an order for MAX16065ETM+CDM through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16065ETM+CDM 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 MAX16065ETM+CDM reliable?
The price and inventory of MAX16065ETM+CDM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16065ETM+CDM is usually 5 days.
3.What payment methods are accepted for MAX16065ETM+CDM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16065ETM+CDM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16065ETM+CDM?
MAX16065ETM+CDM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16065ETM+CDM 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 MAX16065ETM+CDM?
For technical support, including MAX16065ETM+CDM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16065ETM+CDM requirements.
6.How does Aetrix verify that MAX16065ETM+CDM is sourced from the original manufacturer or authorized distributors?
All MAX16065ETM+CDM 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 MAX16065ETM+CDM meets industry standards.
7.What is the process for return or replacement of MAX16065ETM+CDM?
All MAX16065ETM+CDM units undergo pre-shipment inspection (PSI). If there is an issue with MAX16065ETM+CDM, 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 MAX16065ETM+CDM part is unused and in its original packaging.
Return procedure for MAX16065ETM+CDM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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