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参数资料
| 型号： | IR3529MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 8/22页 |
| 文件大小： | 0K |
| 描述： | IC CTRL XPHASE CPU/ASIC 20-MLPQ |
| 标准包装： | 1 |
| 系列： | XPhase3™ |
| 应用： | 处理器 |
| 电流 - 电源： | 2mA |
| 电源电压： | 8 V ~ 16 V |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-MLPQ |
| 供应商设备封装： | 20-MLPQ（4x4） |
| 包装： | 标准包装 |
| 其它名称： | IR3529MTRPBFDKR |
IR3529
SYSTEM THEORY OF OPERATION
System Description
The system consists of one control IC and a scalable array of phase converters, each requiring one phase IC. The
control IC communicates with the phase ICs using three digital buses, i.e., CLOCK, PHSIN, PHSOUT and three analog
buses, i.e., DAC, EA, and IOUT. The digital buses are responsible for switching frequency determination and accurate
phase timing control without any external components. The analog buses are used for PWM control and current
sharing between interleaved phases. The control IC incorporates all the system functions, i.e., VID, CLOCK signals,
error amplifier, fault protections, current monitor, etc. The Phase IC implements the functions required by the converter
of each phase, i.e., the gate drivers, PWM comparator and latch, over-voltage protection, phase disable circuit, current
sensing and sharing, etc.
PWM Control Method
The PWM block diagram of the XPhase3
TM
architecture is shown in Figure 1. Feed-forward voltage mode control with
trailing edge modulation is used. A high-gain and wide-bandwidth voltage type error amplifier is implemented in the
controller’s design to achieve a fast voltage control loop. Input voltage is sensed by the phase ICs to provide feed-
forward control. The feed-forward control compensates the ramp slope based on the change in input voltage. The input
voltage can change due to variations in the silver box output voltage or due to the wire and PCB-trace voltage drop
related to changes in load current.
GATE DRIVE
CONTROL IC
VOLTAGE
PHSOUT
VIN
CLOCK GENERATOR
CLKOUT
CLKIN
CLK Q
PHASE IC
VCC
VCCH
PHSOUT
PHSIN
D
1
2
GATEH
CBST
VOSNS+
VID6 COMPARATOR
VID6
PHSIN
PWM
VID6
VID6
SW
SHIFT
&
VID6 LATCH
VID6
VID6
VID6
OFF
VOUT
NO. OF ACTIVE PHASES MONITOR
PSI
EAIN
VCCL
GATEL
COUT
GND
REMOTE SENSE
VID6
VID6
AMPLIFIER
VO
VDAC
BODY
VID6 VID6
BRAKING
OFF
VID6
PSI# COMPARATOR
&
PGND
PSI
VOSNS-
8 COUNT DELAY
LGND
ILL
VID6
AMPLIFIER
VID6
VDAC
EAOUT
ISHARE
SHARE ADJUST
VID6
SHIFT
PULSE
GENERATION
VID6
SHIFT
VID6
ERROR
AMPLIFIER
RCOMP
RFB1
RFB
VID6
VID6
VID6 +
+
CURRENT
SENSE
VID6
AMPLIFIER
CSIN+
CSIN-
CCS
RCS
FB
RVSETPT
CCOMP
CFB1
RDRP1
DACIN
IVSETPT
IROSC
VSETPT
IMON
CDRP
RDRP
PHSOUT
PHASE IC
VCC
VDAC
CLKIN
CLK Q
VCCH
D
VID6 COMPARATOR
VID6
VDRP
Thermal
Compensation
VDRP
PHSIN
1
2
PWM
VID6
VID6
GATEH
SW
CBST
VID6
AMP
VN
RTHRM
EAIN
&
VID6 LATCH
VID6
VID6
OFF
VCCL
IIN
VID6
GATEL
BODY
VID6
OFF
PGND
VID6VID6
BRAKING
VID6
VID6
PSI# COMPARATOR
&
PSI
PSI#
8 COUNT DELAY
ILL
VID6
AMPLIFIER
VID6
AMPLIFIER
ISHARE
SHARE ADJUST
VID6
VID6
SHIFT
PULSE
GENERATION
VID6
VID6 +
VID6
CURRENT
VID6
SENSE
VID6
SHIFT
CSIN+
CCS
RCS
SHIFT
Page 8 of 22
+
DACIN
Figure 1: PWM Block Diagram
CSIN-
February 12, 2010
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相关代理商/技术参数 |
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|---|---|
| IR3531A | 制造商:IRF 制造商全称:International Rectifier 功能描述:41 Phase Dual Output Control IC Pre-bias compatible |
| IR3531A-MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:41 Phase Dual Output Control IC Pre-bias compatible |
| IR3531AMTRPBF | 制造商:International Rectifier 功能描述:4+1 DUAL OUPUT CONTROLLER IC WITH I2C - Tape and Reel 制造商:International Rectifier 功能描述:IC OUTPUT CTRL 4+1 PHASE 48MLPQ 制造商:International Rectifier 功能描述:T&R / 4+1 Dual Ouput Controller IC with I2C |
| IR3531A-MTRPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:41 Phase Dual Output Control IC Pre-bias compatible |
| IR3531MTRPBF | 制造商:International Rectifier 功能描述:4+1 DUAL OUPUT CONTROLLER IC WITH I2C - Tape and Reel 制造商:International Rectifier 功能描述:IC OUTPUT CTRL 4+1 PHASE 48MLPQ 制造商:International Rectifier 功能描述:4 1 Dual Ouput Contr IC with I2C 制造商:International Rectifier 功能描述:T&R / 4+1 Dual Ouput Controller IC with I2C |
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