Datasheet for ADP1055ACPZ-R7:
- Manufacturer Part Number : ADP1055ACPZ-R7
- Manufacturer : AD
- Description : Digital Controller for Power Supply Applications with PMBus Interface IC
- Series : ADP1055
- Reference Price : USD 3.68
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- Product Type : Switching Regulators
- Function : Digitally Programmable Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP)
- Pins : 32
- MFG Package Case : CP-32-12
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 1500
- Working Temperature : -40 to 125C
- Other Part Number : ADP1055ACPZ-R7
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- −40°C to +125°C operation with EEPROM data retention of 15 years at 125°C
- PMBus Revision 1.2 compliant
- 32-bit password protection with command masking
- 64 address selections (16 base addresses, expandable to 64)
- 6 PWM control signals, 625 ps resolution
- Duty cycle double update rate
- Digital control loop (PID + additional pole or zero configurability)
- Programmable loop filters (CCM, DCM, low/normal temperature)
- Frequency synchronization
- Soft start and soft stop functionality
- Average and peak constant current mode
- External PN junction temperature sensing
- 4 GPIOs (2 GPIOs configurable as active clamp snubber PWMs)
- Fast line voltage feedforward
- Adaptive dead time compensation for improved efficiency
- Extended black box data recorder for fault recording
- See datasheet for additional features
The ADP1055 is a flexible, feature-rich digital secondary side controller that targets ac-to-dc and isolated dc-to-dc secondary side applications. The ADP1055 is optimized for minimal component count, maximum flexibility, and minimum design time. Features include differential remote voltage sense, primary and secondary side current sense, pulse-width modulation (PWM) generation, frequency synchronization, redundant OVP, and current sharing. The control loop digital filter and compensation terms are integrated and can be programmed over the PMBus™ interface. Programmable protection features include overcurrent (OCP), overvoltage (OVP) limiting, undervoltage lockout (UVLO), and external overtemperature (OTP).
The built-in EEPROM provides extensive programming of the integrated loop filter, PWM signal timing, inrush current, and soft start timing and sequencing. Reliability is improved through a built-in checksum and programmable protection circuits.
A comprehensive GUI is provided for easy design of loop filter characteristics and programming of the safety features. The industry-standard PMBus provides access to the many moni-toring and system test functions. The ADP1055 is available in a 32-lead LFCSP and operates from a single 3.3 V supply.
Applications
- Isolated dc-to-dc power supplies and modules
- Redundant power supply systems
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
