MAX16070
Obsolete12-Channel/8-Channel, Flash-Configurable System Monitors with Nonvolatile Fault Registers
Highly Integrated, 12-Channel/8-Channel, System-Management ICs with NV Fault Monitoring
Part Details
- Operate from 2.8V to 14V
- ±2.5% Current-Monitoring Accuracy
- 1% Accurate 10-Bit ADC Monitors 12/8 Voltage Inputs
- Single-Ended or Differential ADC for System Voltage/Current Monitoring
- Integrated High-Side, Current-Sense Amplifier
- 12/8 Monitored Inputs with Overvoltage/Undervoltage/Early Warning Limit
- Nonvolatile Fault Event Logger
- Two Programmable Fault Outputs and One Reset Output
- Eight General-Purpose Inputs/Outputs Configurable as:
- Dedicated Fault Outputs
- Watchdog Timer Function
- Manual Reset
- Margin Enable
- SMBus (with Timeout) or JTAG Interface
- Flash Configurable Time Delays and Thresholds
- -40°C to +85°C Operating Temperature Range
The MAX16070/MAX16071 flash-configurable system monitors supervise multiple system voltages. The MAX16070/MAX16071 can also accurately monitor (±2.5%) one current channel using a dedicated high-side current-sense amplifier. The MAX16070 monitors up to twelve system voltages simultaneously, and the MAX16071 monitors up to eight supply voltages. These devices integrate a selectable differential or single-ended analog-to-digital converter (ADC). Device configuration information, including overvoltage and undervoltage limits and timing settings are stored in nonvolatile flash memory. During a fault condition, fault flags and channel voltages can be automatically stored in the nonvolatile flash memory for later read-back.
The internal 1% accurate 10-bit ADC measures each input and compares the result to one overvoltage, one undervoltage, and one early warning limit that can be configured as either undervoltage or overvoltage. A fault signal asserts when a monitored voltage falls outside the set limits. Up to three independent fault output signals are configurable to assert under various fault conditions.
Because the MAX16070/MAX16071 support a power-supply voltage of up to 14V, they can be powered directly from the 12V intermediate bus in many systems.
The MAX16070/MAX16071 include eight/six programmable general-purpose inputs/outputs (GPIOs). GPIOs are flash configurable as dedicated fault outputs, as a watchdog input or output, or as a manual reset.
The MAX16070/MAX16071 feature nonvolatile fault memory for recording information during system shutdown events. The fault logger records a failure in the internal flash and sets a lock bit protecting the stored fault data from accidental erasure. An SMBus™ or a JTAG serial interface configures the MAX16070/MAX16071. The MAX16070/MAX16071 are available in a 40-pin, 6mm x 6mm, TQFN package. Both devices are fully specified from -40°C to +85°C.
Applications
- Networking Equipment
- Servers
- Storage/RAID Systems
- Telecom Equipment (Base Stations, Access)
Documentation
Data Sheet 1
Reliability Data 1
Application Note 1
Device Drivers 1
This is the most up-to-date revision of the Data Sheet.
Software Resources
Device Drivers 1
Evaluation Software 0
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Digital Sequencers 3 | ||
| MAX16047 | PRODUCTION | 12-/8-Channel EEPROM-Programmable System Managers with Nonvolatile Fault Registers |
| MAX16065 | LAST TIME BUY | 12-Channel/8-Channel Flash-Configurable System Managers with Nonvolatile Fault Registers |
| MAX16046 | PRODUCTION | 12-/8-Channel EEPROM-Programmable System Managers with Nonvolatile Fault Registers |
| Product 3 | ||
| MAX16049 | 12-/8-Channel EEPROM-Programmable System Managers with Nonvolatile Fault Registers | |
| MAX16066 | LAST TIME BUY | 12-Channel/8-Channel Flash-Configurable System Managers with Nonvolatile Fault Registers |
| MAX16048 | 12-/8-Channel EEPROM-Programmable System Managers with Nonvolatile Fault Registers |
Tools & Simulations
BSDL Model File 1
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