Isolated Multi Output Power Supply with Supervisory (IMOPSS) Module

Product Description

The IMOPSS series of modules are designed to generate up to six isolated voltages with supervisory features. It integrates isolated DC/DC, quad BUCK converter and supervisory functions as all-in-one solution in order to ease custom board designs that need isolated power up to TBD watt levels.

An isolated wide input voltage range DC/DC flyback converter generates an intermediate voltage level (5V or 12V) as an input for the fast response quad BUCK converter that generates low ripple, tightly regulated outputs. Module also has built-in short-circuit output protection and auxiliary input.

Applications are isolated automotive, industrial, medical, telecom, auxiliary/housekeeping power supplies as well as FPGA/SOC/Microcontroller demo boards requiring low power while off-loading the design risks for fast build.

Features

• Replaces isolated flyback DC/DC, non-isolated programmable buck and supervisory functions
• Low cost, with minimal external components required
• Supervisory features: 3.3V power on reset, power on resets compatible with adjustable voltage outputs, manual reset, watchdog reset, reset time adjustment, watchdog time adjustment
• BUCK converter features: Switching frequency, output voltage*, over-current and over-voltage protection threshold, power-on/off sequencing forced PWM or Auto-PWM/PFM
• Header signal assignment allows to use jumpers for enable/disable functionalities
• Auxiliary input
• I2C programmable temperature sensor with ALERT
• Output short-circuit protection

Product Specifications

• Small, dual row SIL package, 70 mm x 20 mm without headers
• Input voltage range 18 to 60V DC
• Maximum of TBD watt power from all outputs in total
• 2 x fixed, up to *4 x I2C adjustable BUCK converter outputs down to 0.6V, 6 in total
• Low voltage with fast response allows to directly feed CPU/DSP/FPGA core/IO pins via 4 x adjustable BUCK converter outputs
• 3.3V@100mA, ±2% accuracy output
• *5V or 12V, intermediate voltage ±5% accuracy Output
• *Output voltage set with either I2C or external resistors
• 1500V isolation (input to output)

*: Depends on model

Unit Deliverable

An IMOPSS module