Part A
ADM1062ACPZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 1331 PCS
- Package
- VFQFN-40
- Series
- PMIC - Supervisores
Replacement verdict
Compatible functional replacement candidate
The ADM1062ACPZ and ADM1064ACP are both Analog Devices Super Sequencers in the same 40-lead LFCSP package with a common I2C/SMBus supervisory core, making them a viable functional replacement pairing for many sequencing and monitoring designs. However, the ADM1062ACPZ integrates a 12-bit ADC and current-measurement front end that the ADM1064ACP does not, so the two are not identical in analog monitoring capability. Designers should confirm the specific voltage-monitoring, margining, and ADC-related requirements of the target application before substituting one for the other.
Package Type
High match
Supply Voltage Range
High match
ADC / Current Monitoring
Validation required
Supervisory Input Channels
Validation required
Parts at a glance
Part B
ADM1064ACP
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 65 PCS
- Package
- VFQFN-40
- Series
- PMIC - Supervisores
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADM1062ACPZ | ADM1064ACP | Why it matters |
|---|---|---|---|
| Number of Supply Voltage Inputs (VH/VP) | 10 (VH1-VH4, VP1-VP6) | 10 (VH1-VH4, VP1-VP6) | Determines how many rails can be monitored simultaneously; both devices monitor the same number of inputs. |
| Number of Programmable Driver Outputs (PDO) | 10 PDOs | 10 PDOs | PDO count defines how many enable/control signals the sequencer can drive to power supplies or downstream logic. |
| Integrated ADC | 12-bit ADC with 12 channels | 12-bit ADC with 12 channels | An ADC enables voltage/current/temperature readback for margining and telemetry; both provide the same resolution and channel count. |
| Nonvolatile EEPROM Configuration Storage | Yes (on-chip EEPROM) | Yes (on-chip EEPROM) | On-chip EEPROM retains sequencing and threshold settings without external memory, simplifying board design. |
| Supply Voltage Range (VCC) | 3.0 V to 14.4 V | 3.0 V to 14.4 V | The VCC operating range determines compatibility with the board's available bias supply; identical ranges allow direct substitution. |
| Communication Interface | SMBus/I2C (with PMBus-compatible commands) | SMBus/I2C (with PMBus-compatible commands) | The serial interface enables in-system configuration and telemetry; matching interfaces allow reuse of the same host firmware. |
| Package | 40-lead LFCSP (6 mm x 6 mm) | 40-lead LFCSP (6 mm x 6 mm) | Package and footprint must match for drop-in replacement on an existing PCB layout. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | The temperature range must cover the application's environment; identical ratings confirm equivalent environmental capability. |
| Supply Margining / Trim DAC | Yes (8-bit voltage output DACs for margining) | Yes (8-bit voltage output DACs for margining) | Margining DACs allow adjustment of supply setpoints for test and calibration; both offer the same margining capability. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADM1062ACPZ | ADM1064ACP |
|---|---|---|
| Part Status | Active | Obsolete |
| Type | Sequencer | Sequencer |
| Number of Voltages Monitored | 10 | 10 |
| Voltage - Threshold | Adjustable/Selectable | Adjustable/Selectable |
| Output | Programmable | Programmable |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Series | Super Sequencer® | - |
Frequently asked questions
What are the ADM1062ACPZ and ADM1064ACP?
The ADM1062ACPZ and ADM1064ACP are Analog Devices Super Sequencers (programmable power supply sequencers and supervisors) from the ADM106x family. Both integrate an EEPROM-programmable state machine, multiple supply voltage supervisors, and programmable output drivers for sequencing and monitoring power rails in complex systems.
What is the key difference between the ADM1062ACPZ and ADM1064ACP?
The primary difference is the number of programmable supply supervisor inputs and output drivers. The ADM1062 provides 10 supply fault detector (SFD) inputs and 10 programmable driver outputs (PDOs), while the ADM1064 provides 10 SFD inputs but only 6 PDOs. Both are housed in a 40-lead LFCSP package and share the same core sequencer architecture.
Are the ADM1062ACPZ and ADM1064ACP pin-compatible?
No. Although both devices use the same 40-lead LFCSP (CP-40) package footprint, the pin functions differ because the ADM1064 exposes fewer PDO pins. The ADM1062 uses all 10 PDO pins, whereas the ADM1064 has only 6 PDOs, with the remaining pins assigned differently. A direct drop-in replacement is therefore not possible without verifying pin assignments against the respective datasheets.
What supply voltage range do the ADM1062ACPZ and ADM1064ACP support?
Both devices operate from a single VCC supply of 3.0 V to 3.6 V (nominal 3.3 V). The supervised inputs (SFD pins) can monitor voltages from 0.573 V up to 14.4 V depending on the selected input range configuration, allowing supervision of both low-voltage and higher-voltage rails.
How are the ADM1062ACPZ and ADM1064ACP programmed?
Both devices are programmed via the I2C-compatible (SMBus) serial interface and store configuration in internal EEPROM. Configuration includes supply fault detector thresholds, sequencing order, PDO timing, and fault response behavior. Programming can be performed in-system or with a factory-programmed configuration.
Can the ADM1064ACP be used as a replacement for the ADM1062ACPZ in an existing design?
Only if the design requires no more than 6 PDOs and the pin assignments are re-validated. Because the ADM1064 has fewer PDOs and different pin functions on the shared 40-lead LFCSP package, replacing an ADM1062 with an ADM1064 requires schematic and layout review, plus reconfiguration of the EEPROM sequencing map to match the reduced output count.
What are the typical applications for these Super Sequencers?
Both devices are used for power supply sequencing and supervision in telecommunications, networking, server, and industrial systems. They monitor multiple voltage rails, assert enable signals in a defined order, and respond to fault conditions by shutting down or sequencing down rails according to the programmed fault response.