参数资料
| 型号： | ADP1046ACPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/92页 |
| 文件大小： | 0K |
| 描述： | IC DGTL CTRLR 32LFCSP |
| 标准包装： | 5,000 |
| 应用： | 电源 |
| 输入电压： | 0 V ~ 1.6 V |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 20mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 32-LFCSP-WQ（5x5） |
| 包装： | 带卷 (TR) |
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Digital Controller for Isolated
Power Supply Applications
Data Sheet
FEATURES
Integrates all typical PWM controller functions
7 PWM control signals
Digital control loop
Integrated programmable loop filters
Programmable voltage line feedforward
Dedicated soft start filter
Programmable dead time for improved efficiency
Remote and local voltage sense
Primary and secondary side current sense
Synchronous rectifier control
Current sharing
OrFET control
I 2 C interface
Extensive fault detection and protection
Extensive programming and telemetry
Fast digital calibration
User accessible EEPROM
APPLICATIONS
AC-to-DC power supplies
Isolated dc-to-dc power supplies
Redundant power supply systems
Server, storage, network, and communications
infrastructure
GENERAL DESCRIPTION
The ADP1046 is a flexible, digital secondary side controller
designed for ac-to-dc and isolated dc-to-dc secondary side
applications. The ADP1046 is pin-compatible with the
ADP1043A and offers several enhancements and new features,
including voltage feedforward, improved loop response, and
programmable dead time control to maximize efficiency.
The ADP1046 is optimized for minimal component count,
maximum flexibility, and minimum design time. Features
include local and remote voltage sense, primary and secondary
side current sense, digital pulse-width modulation (PWM)
generation, current sharing, and redundant OrFET control. The
control loop digital filter and compensation terms are integrated
and can be programmed over the I 2 C interface. Programmable
protection features include overcurrent protection (OCP), over-
voltage protection (OVP), undervoltage lockout (UVLO), and
overtemperature protection (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 I 2 C bus provides access to the many
monitoring and system test functions.
The ADP1046 is available in a 32-lead LFCSP and operates
from a single 3.3 V supply.
TYPICAL APPLICATION CIRCUIT
DC
INPUT
LOAD
DRIVER
DRIVER
CS1
SR1 SR2
ACSNS
CS2– CS2+ PGND
VS1
GATE
VS2
VS3+
OUTA
DRIVER
i Coupler
OUTB
OUTC
ADP1046
VS3–
OUTD
OUTAUX
RES ADD RTD VCORE FLAGIN PSON PGOOD2 PGOOD1 SDA SCL
SHAREo
SHAREi
VDD DGND AGND
V DD
MICROCONTROLLER
Figure 1.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2012–2013 Analog Devices, Inc. All rights reserved.
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| ADP1046ADC1-EVALZ | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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