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AZC002-04S Schematic ( PDF Datasheet ) - Amazing Microelectronic

Teilenummer AZC002-04S
Beschreibung Low Capacitance ESD Protection Array
Hersteller Amazing Microelectronic
Logo Amazing Microelectronic Logo 




Gesamt 12 Seiten
AZC002-04S Datasheet, Funktion
AZC002-04S
Low Capacitance ESD Protection Array
For High Speed Data Interfaces
Features
z ESD Protect for 4 high-speed I/O channels
z Provide ESD protection for each channel to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) (5/50ns) Level-3, 20A for I/O,
40A for Power
IEC 61000-4-5 (Lightning) 6A (8/20μs)
z 5V operating voltage
z Low capacitance : 1.2pF typical
z Fast turn-on and Low clamping voltage
z Array of surge rated diodes with internal
equivalent TVS diode
z Small package saves board space
z Solid-state silicon-avalanche and active circuit
triggering technology
z Green part available
Applications
z USB2.0 Power and Data lines protection
z Notebook and PC Computers
z Monitors and Flat Panel Displays
z IEEE 1394 Firewire Ports
z Video Graphics Cards
z SIM ports
Description
AZC002-04S is a high performance and low cost
design which includes surge rated diode arrays
to protect high speed data interfaces. The
AZC002-04S family has been specifically
designed to protect sensitive components, which
are connected to data and transmission lines,
from over-voltage caused by Electrostatic
Discharging (ESD), Electrical Fast Transients
(EFT), and Lightning.
AZC002-04S is a unique design which includes
surge rated, low capacitance steering diodes and
a unique design of clamping cell which is an
equivalent TVS diode in a single package. During
wwwt.rDaantsaSiehneett4cUo.cnodmitions, the steering diodes direct
the transient to either the power supply line or to
the ground line. The internal unique design of
clamping cell prevents over-voltage on the power
line, protecting any downstream components.
AZC002-04S may be used to meet the ESD
immunity requirements of IEC 61000-4-2, Level 4
(± 15kV air, ±8kV contact discharge).
Circuit Diagram
5
1346
2
Pin Configuration
I/O 4
VDD
I/O 3
654
123
I/O 1
GND
I/O 2
JEDEC SOT23-6L (Top View)
Revision 2008/09/29 ©2008-2009 Amazing Micro.
1
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AZC002-04S Datasheet, Funktion
AZC002-04S
Low Capacitance ESD Protection Array
For High Speed Data Interfaces
C. Applications
1. Universal Serial Bus (USB) ESD Protection
The AZC002-04S can be used to protect the
USB port on the monitors, computers,
peripherals or portable systems. The ESD
protection scheme for dual USB ports is shown in
Fig. 3. In the Fig.3, each device will protect up
two USB ports. The voltage bus (VBUS) of USB
ports (port1 and port2) are connected to the
power pin (pin 5) of AZC002-04S. Each data line
(D+/D-) of USB port is connected to the ESD
protection pin of AZC002-04S.
When ESD voltage pulse appears on the data
line, the ESD pulse current will be conducted by
AZC002-04S away from the USB controller chip.
In addition, the ESD pulse current also can be
conducted by AZC002-04S away from the USB
controller chip when the ESD voltage pulse
appears on the voltage bus (VBUS) of USB port.
Therefore, the data lines (D+/D-) and voltage bus
(VBUS) of two USB ports are complementally
protected with an AZC002-04S.
V BUS
RT
RT
USB
Controlle r
CT CT
CT CT
RT
GND
RT
AZC002-04S
V BUS
D+
USB
D_ Port1
GND
V BUS
D+
USB
D_ Port2
GND
Fig. 3 ESD Protection scheme for dual USB ports by using AZC002-04S.
www.DataSheet4U.com
Revision 2008/09/29 ©2008-2009 Amazing Micro.
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AZC002-04S pdf, datenblatt
AZC002-04S
Low Capacitance ESD Protection Array
For High Speed Data Interfaces
Revision History
Revision
Revision 2006/12/08
Revision 2007/01/23
Revision 2007/02/02
Revision 2007/05/15
Revision 2008/01/23
Revision 2008/09/29
Modification Description
Original Release.
1. Add EFT characterization.
2. Update the Absolute Max. Ratings: IPP, VESD, and TOP.
3. Update the values of VBV, VCL, CIN, and CCROSS in Electrical
Characteristics.
4. Update the Clamping Voltage, Forward Voltage and CIN vs VIN
curves.
5. Add the TLP characterization.
1. Add characterization of CIN vs temp.
Update the Marking Code from C02X to C02XY.
Present the Mechanical Details by JEDEC formation.
Add the marking code for Green part.
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Revision 2008/09/29 ©2008-2009 Amazing Micro.
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