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부품번호 MCZ34652 기능
기능 Negative Voltage Hot Swap Controller
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MCZ34652 데이터시트, 핀배열, 회로
www.DFaretaeSshceeatl4eUS.ceommiconductor
Advance Information
Document Number: MC34652
Rev. 8.0, 2/2007
2.0 A Negative Voltage Hot
Swap Controller with Enhanced
Programmability
34652
The 34652 is a highly integrated -48 V hot swap controller with an
internal Power MOSFET. It provides the means to safely install and
remove boards from live -48 V backplanes without having to power
down the entire system. It regulates the inrush current, from the
supply to the load’s filter capacitor, to a user-programmable limit,
allowing the system to safely stabilize. A disable function allows the
user to disable the 34652 manually or through a microprocessor and
safely disconnect the load from the main power line.
The 34652 has active high and active low power good output
signals that can be used to directly enable a power module load.
Programmable under- and overvoltage detection circuitry monitors
the input voltage to check that it is within its operating range.
A programmable start-up delay timer ensures that it is safe to turn on
the Power MOSFET and charge the load capacitor.
A two-level current limit approach to controlling the inrush current
and switching on the load limits the peak power dissipation in the
Power MOSFET. Both current limits are user programmable.
Features
• Integrated Power MOSFET and Control IC in a Small Outline
Package
• Input Voltage Operation Range from -15 V to -80 V
• Programmable Overcurrent Limit with Auto Retry
• Programmable Charging Current Limit Independent of Load
Capacitor
• Programmable Start-Up and Retry Delay Timer
• Programmable Overvoltage and Undervoltage Detection
• Active High and Low Power Good Output Signals
• Thermal Shutdown
• Pb-Free Packaging Designated by Suffix Code EF
HOT SWAP
SCALE 2:1
EF SUFFIX (PB-Free)
98ASB42566B
16-PIN SOICN
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC34652EF/ R2
MCZ34652EF/ R2
-40°C to 85°C
16 SOICN
34652
GND
System
Power
Supply
(Backplane)
DISABLE
VPWR
UV
OV
PG
PG
VOUT
Application
Dependent
Load
-48 V VIN
Optional
External
Components
ICHG
ILIM
TIMER
Optional
External
Components
Figure 1. 34652 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2007. All rights reserved.




MCZ34652 pdf, 반도체, 판매, 대치품
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
Table 2. Maximum Ratings
All voltages are with respect to ground unless otherwise noted. Exceeding these ratings may cause a malfunction or
permanent damage to the device.
Ratings
Symbol
Value
Unit
ELECTRICAL RATINGS
Power Supply Voltage
Power MOSFET Energy Capability
Continuous Output Current (2)
Maximum Voltage
DISABLE Pin
UV Pin
OV, ILIM, ICHG, and TIMER Pins
PG Pin (VPG - VIN)
PG Pin (VPG - VIN)
All Pins Minimum Voltage
PG, PG Maximum Current
ESD Voltage, All Pins (3)
Human Body Model
Machine Model
VPWR
EMOSFET
IO (CONT)
85
Varies (1)
2.0
— VIN - 0.3 to VPWR + 5.5
7.0
5.0
85
85
— -0.3
— Internally Limited
VESD3
VESD4
± 2000
± 200
V
mJ
A
V
V
A
V
THERMAL RATINGS
Storage Temperature
Operating Temperature
Ambient (4)
Junction
TSTG
TA
TJ
-65 to 150
-40 to 85
-40 to 160
°C
°C
Notes
1. Refer to the section titled Power MOSFET Energy Capability on page 23 for a detailed explanation on this parameter.
2. Continuous output current capability so long as TJ is 160°C.
3. ESD1 testing is performed in accordance with the Human Body Model (CZAP=100pF, RZAP=1500 ), ESD2 testing is performed in
accordance with the Machine Model (CZAP=200 pF, RZAP=0 ).
4. The limiting factor is junction temperature, taking into account power dissipation, thermal resistance, and heatsinking.
34652
4
Analog Integrated Circuit Device Data
Freescale Semiconductor

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MCZ34652 전자부품, 판매, 대치품
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions 15 V VPWR 80 V and -40°C TA 85°C. All voltages are referenced to VIN unless
otherwise noted.
Characteristic
DISABLE INPUT CONTROL PIN (DISABLE) (12)
Symbol Min Typ Max Unit
DISABLE Input Voltage
Inactive State
Active State, Positive Signal
Active State, Negative Signal
DISABLE Input Current
VDIS = VPWR + 3.3 V
VDIS = VPWR - 3.3 V
VDIS = VIN
VDISL
VDISHP
VDISHN
IDIS
VPWR - 1.2 — VPWR + 1.2
VPWR + 2.0
— — VPWR - 2.0
20 60 180
-20 -60 -180
- 50
-150
- 250
V
µA
CURRENT LIMIT CONTROL PINS (ILIM, ICHG)
Overcurrent Limit in Steady State
Default
Maximum with External Resistor
Minimum with External Resistor
Current Limit During Start-Up
Default
Maximum with External Resistor
Minimum with External Resistor
Short Circuit Current Limit
ILIM Current Limit Hysteresis
ILIM Current Limit Accuracy
ICHG Current Limit Accuracy
ILIM Pin Voltage
ILIM to RILIM Setting Constant
ICHG Reference Current
ICHG to RICHG Setting Constant
POWER GOOD OUTPUT PINS (PG, PG) (13)
ILIM
ICHG
ISHORT
ILIMHY
ILIMCLA
ICHGCLA
VILIM
ILIMCNS
ICHGOUT
ICHGCNS
-20
- 35
1.0
2.25
0.35
0.1
0.5
0.05
5.0
12
3.1
129
- 8.0
335
A
A
—A
—%
20 %
35 %
—V
— A * k
µA
— kΩ/A
Power Good Output Low Voltage
IPG or IPG = 1.6 mA
Power Good Leakage Current
Power Good Current Limit
VPG or VPG = 3.0 V
VPGL
V
— — 0.5
IPGLG — — 10 µA
IPGCL
mA
— — 7.0
Notes
12. Referenced to VPWR.
13. Referenced to VIN.
Analog Integrated Circuit Device Data
Freescale Semiconductor
34652
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부품번호상세설명 및 기능제조사
MCZ34652

Negative Voltage Hot Swap Controller

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MCZ34653

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