UCD3138064 Controller Datasheet

UCD3138064 Datasheet PDF, Equivalent


Part Number

UCD3138064

Description

Highly Integrated Digital Controller

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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UCD3138064
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UCD3138064
SLUSB72C – MARCH 2013 – REVISED MARCH 2017
UCD3138064 Highly Integrated Digital Controller for Isolated Power With 64-kB Program
Flash Memory
1 Device Overview
1.1 Features
1
• 64 kB Program Flash Derivative of UCD3138
Family
– 2-32 kB Program Flash Memory Banks
– Supports Execution From 1 Bank, While
Programming Another
– Capability to Update Firmware Without Shutting
Down the Power Supply
– Additional Communication Ports Compared to
the UCD3138 (+1 SPI, +1 I2C)
– RGC Package Pin-to-Pin Compatible with
UCD3138 (SLUSAP2B). Section 3.1
• Digital Control of up to 3 Independent Feedback
Loops
– Dedicated PID Based Hardware
– 2-pole/2-zero Configurable, Non-Linear Control
• Up to 16 MHz Error A/D Converter (EADC)
– Configurable Resolution (Min: 1 mV/LSB)
– Up to 8x Oversampling and Adaptive Trigger
Positioning
– Hardware Based Averaging (Up to 8x)
– 14 bit Effective DAC
• Up to 8 High Resolution Digital Pulse Width
Modulated (DPWM) Outputs
– 250 ps Pulse Width Resolution
– 4 ns Frequency and Phase Resolution
– Adjustable Phase Shift and Dead-bands
– Cycle-by-Cycle Duty Cycle Matching
– Up to 2 MHz Switching Frequency
• Configurable Trailing/Leading/Triangular
Modulation
• Configurable Feedback Control
– Voltage, Average Current and Peak Current
Mode Control
– Constant Current, Constant Power
• Configurable FM, Phase Shift Modulation and
PWM
• Fast, Automatic and Smooth Mode Switching
– Frequency Modulation and PWM
1.2 Applications
• Power Supplies and Telecom Rectifiers
• Power Factor Correction
– Phase Shift Modulation and PWM
• High Efficiency and Light Load Management
– Burst Mode & Ideal Diode Emulation
– Synchronous Rectifier Soft On/Off
– Low IC Standby Power
• Primary Side Voltage Sensing
• Flux and Phase Current Balancing for Non-Peak
Current Mode Control Applications
• Current Share (Average & Master/Slave)
• Feature Rich Fault Protection Options
– 7 Analog / 4 Digital Comparators,
– Cycle-by-Cycle Current Limiting
– Programmable Blanking Time and Fault
Counting
– External Fault Inputs
• Synchronization of DPWM Waveforms Between
Multiple UCD3138064 Devices
• 14 channel, 12 bit, 267 ksps General Purpose
ADC with Integrated
– Programmable Averaging Filters
– Dual Sample and Hold
• Internal Temperature Sensor
• Fully Programmable High-Performance 31.25
MHz, 32-bit ARM7TDMI-S Processor
– 64 kB Program Flash (2-32 kB Banks)
– 2 kB Data Flash with ECC
– 4 kB Data RAM
– 8 kB Boot ROM Enables Firmware Boot-Load
• Communication Peripherals
– 1 - I2C/PMBus, 1 - I2C (master mode only)
– 2 - UARTs
– 1 - SPI
• Timer Capture with Selectable Input Pins
• Built In Watchdog: BOD and POR
• 64-pin QFN, and 40-pin QFN Packages
• Operating Temperature: –40°C to 125°C
• Fusion Digital Power Studio GUI Support
• Isolated DC-DC Modules
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

UCD3138064
UCD3138064
SLUSB72C – MARCH 2013 – REVISED MARCH 2017
www.ti.com
1.3 Description
The UCD3138064 is a digital power supply controller from Texas Instruments offering superior levels of
integration and performance in a single chip solution. The UCD3138064, in comparison to Texas
Instruments UCD3138 digital power controller (Section 3), offers 64 kB of program Flash memory (vs 32
kB in UCD3138) and additional options for communication such as SPI and a second I2C port. The
availability of 64 kB of program Flash memory in 2-32 kB banks, enables the designers to implement dual
images of firmware (e.g. one main image + one back-up image) in the device and the flexibility to execute
from either of the banks using appropriate algorithms. It also creates the unique opportunity for the
processor to load a new program and subsequently execute that program without interrupting power
delivery. This feature allows the end user to add new features to the power supply in the field while
eliminating any down-time required to load the new program.
The flexible nature of the UCD3138064 makes it suitable for a wide variety of power conversion
applications. In addition, multiple peripherals inside the device have been specifically optimized to
enhance the performance of AC/DC and isolated DC/DC applications and reduce the solution component
count in the IT and network infrastructure space. The UCD3138064 is a fully programmable solution
offering customers complete control of their application, along with ample ability to differentiate their
solution. At the same time, TI is committed to simplifying our customer’s development effort through
offering best in class development tools, including application firmware, Code Composer StudioTM
software development environment, and TI’s Fusion Power Development GUI which enables customers to
configure and monitor key system parameters.
At the core of the UCD3138064 controller are the Digital Power Peripherals (DPP). Each DPP implements
a high speed digital control loop consisting of a dedicated Error Analog to Digital Converter (EADC), a PID
based 2 pole - 2 zero digital compensator and DPWM outputs with 250ps pulse width resolution. The
device also contains a 12-bit, 267 ksps general purpose ADC with up to 14 channels, timers, interrupt
control, PMBus, I2C, SPI and UART communications ports. The device is based on a 32-bit ARM7TDMI-S
RISC microcontroller that performs real-time monitoring, configures peripherals and manages
communications. The ARM microcontroller executes its program out of programmable flash memory as
well as on chip RAM and ROM.
In addition to the DPP, specific power management peripherals have been added to enable high efficiency
across the entire operating range, high integration for increased power density, reliability, and lowest
overall system cost and high flexibility with support for the widest number of control schemes and
topologies. Such peripherals include: light load burst mode, synchronous rectification, LLC and phase
shifted full bridge mode switching, input voltage feed forward, copper trace current sense, ideal diode
emulation, constant current constant power control, synchronous rectification soft on and off, peak current
mode control, flux balancing, secondary side input voltage sensing, high resolution current sharing,
hardware configurable soft start with pre bias, as well as several other features. Topology support has
been optimized for voltage mode and peak current mode controlled phase shifted full bridge, single and
dual phase PFC, bridgeless PFC, hard switched full bridge and half bridge, and LLC half bridge and full
bridge.
PART NUMBER
UCD3138064
Device Information(1)
PACKAGE
VQFN (64)
VQFN (40)
BODY SIZE (NOM)
9.00 mm × 9.00 mm
6.00 mm × 6.00 mm
(1) For all available packages, see the orderable addendum at the end of the datasheet.
2 Device Overview
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Copyright © 2013–2017, Texas Instruments Incorporated


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity UCD3138064 SLUSB72C – MARCH 2 013 – REVISED MARCH 2017 UCD3138064 H ighly Integrated Digital Controller for Isolated Power With 64-kB Program Flas h Memory 1 Device Overview 1.1 Featur es 1 • 64 kB Program Flash Derivative of UCD3138 Family – 2-32 kB Program Flash Memory Banks – Supports Executi on From 1 Bank, While Programming Anoth er – Capability to Update Firmware Wi thout Shutting Down the Power Supply Additional Communication Ports Compar ed to the UCD3138 (+1 SPI, +1 I2C) – RGC Package Pin-to-Pin Compatible with UCD3138 (SLUSAP2B). Section 3.1 • Dig ital Control of up to 3 Independent Fee dback Loops – Dedicated PID Based Har dware – 2-pole/2-zero Configurable, N on-Linear Control • Up to 16 MHz Erro r A/D Converter (EADC) – Configurable Resolution (Min: 1 mV/LSB) – Up to 8 x Oversampling and Adaptive Trigger Pos itioning – Hardware Based Averaging (Up to 8x) – 14 bit Effective DAC • Up to 8 High Resolu.
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