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WS3221C-6/TR [WILLSEMI]

Over-Voltage-Protection load switch with Adjustable OVLO threshold;
WS3221C-6/TR
型号： WS3221C-6/TR
厂家： WILLSEMI    WILLSEMI
描述：

Over-Voltage-Protection load switch with Adjustable OVLO threshold
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WS3221C  
WS3221C  
Over-Voltage-Protection  
load  
switch  
with  
Http//:www.willsemi.com  
Adjustable OVLO threshold  
Descriptions  
The WS3221 is an Over-Voltage-Protection (OVP)  
load switch with adjustable OVLO threshold voltage.  
The device will switch off internal MOSFET to  
disconnect IN to OUT to protect load when any of input  
voltage over the threshold.  
CSP-6L (Bottom View)  
1
2
When the OVLO input set below the external OVLO  
select voltage, the WS3221 automatically chooses the  
internal fixed OVLO threshold voltage. The over  
voltage protection threshold voltage can be adjusted  
with external resistor divider and the OVLO threshold  
voltage range is 4~20V. The Over temperature  
protection (OTP) function monitors chip temperature to  
protect the device.  
IN  
OUT  
A
IN  
OUT  
GND  
B
C
OVLO  
The WS3221 is available in 0.8x1.2mm 6-Ball wafer  
level Chip-Scale-Package. Standard products are  
Pb-free and Halogen-free.  
Pin configuration (Top view)  
2
Features  
A
*
Maximum input voltage  
Switch ON resistance  
: 29V  
1
: 28mΩ Typ.  
: 50ns Typ.  
B
C
Ultra fast OVP response time  
OVLO threshold voltage  
A
Marking  
Reference voltage for adjustable version  
-1.2V : WS3221C with ±2.5% accuracy  
Internal threshold voltage for fixed version  
-6.8V : WS3221C68 with ±2% accuracy  
A
*
= Device code  
= Month code (A~Z)  
-10.5V : WS3221CB with ±2% accuracy  
-14.0V : WS3221CE with ±2% accuracy  
Order information  
Marking Package  
Device  
Shipping  
WS3221C-6/TR  
WS3221C68-6/TR  
WS3221CB-6/TR  
WS3221CE-6/TR  
A*  
F*  
B*  
E*  
CSP-6L  
CSP-6L  
CSP-6L  
CSP-6L  
3000/Reel&Tape  
3000/Reel&Tape  
3000/Reel&Tape  
3000/Reel&Tape  
Applications  
Mobile Handsets and Tablets  
Portable Media Players  
Peripherals  
Will Semiconductor Ltd.  
1
Dec, 2017 - Rev. 1.1  
WS3221C  
Function Block Diagram  
OUT  
IN  
Charge Pump  
and Gate Driver  
UVLO  
OVP  
Logic Control  
OTP  
OVLO  
GND  
VBG  
Typical Applications  
WS3221  
WS3221  
IN  
OUT  
OUT  
IN  
IN  
OUT  
OUT  
VIN  
VOUT to Load  
4.7uF  
VIN  
1uF  
VOUT to Load  
4.7uF  
IN  
1uF  
R1  
OVLO  
GND  
OVLO  
R2  
GND  
Over Voltage Protect with Internal OVLO Threshold Setting  
Over Voltage Protect with External OVLO Threshold Setting  
Note1: R1 and R2 are only required for External OVP, otherwise connect OVLO to GND  
Note2: Recommend 10K≤R2≤50K  
Pin Descriptions  
Pin No.  
A1, B1  
A2, B2  
Symbol  
IN  
Descriptions  
Switch Input and Device Power Supply.  
OUT  
Switch Output to Load.  
External OVLO adjustment. Connect a resistor-divider to set different OVLO  
threshold, VOVLO=1.2x(1+R1/R2) as shown typical application diagram.  
Connect OVLO to GND when using the internal fixed threshold voltage.  
Ground  
C1  
C2  
OVLO  
GND  
Will Semiconductor Ltd.  
2
Dec, 2017 - Rev. 1.1  
WS3221C  
Absolute Maximum Ratings  
Parameter  
Symbol  
VIN  
Value  
-0.3 ~ 29  
-0.3 ~ 22  
-0.3~15  
4
Unit  
V
Input voltage (IN pin)  
Output voltage (OUT pin)  
VOUT  
VOVLO  
IOUT  
V
Input voltage (OVLO pin)  
V
MAX Continuous Output current  
Switch FET Body Diode Continuous Current  
Body Diode Forward Pulse Width=10ms  
A
IDIODE  
2.5  
A
20  
A
IPP  
Peak Pulse Current*1  
Pulse Width=20us  
50  
A
Thermal resistance  
Junction temperature  
Lead temperature(10s)  
Storage temperature  
RθJA  
TJ  
98  
oC/W  
oC  
oC  
oC  
V
150  
TL  
260  
Tstg  
HBM  
MM  
-55 ~ 150  
±4000  
±200  
ESD Ratings  
V
*1 Single Pulse  
These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum Ratings”  
may cause substantial damage to the device. Functional operation of this device at other conditions beyond  
those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device  
reliability.  
Recommend Operating Conditions (Ta=25oC, unless otherwise noted)  
Parameter  
Input voltage  
Symbol  
VIN  
Value  
Unit  
V
oC  
2.5 ~ 28  
-40 ~ 85  
Ambient operating temperature  
Topr  
Will Semiconductor Ltd.  
3
Dec, 2017 - Rev. 1.1  
WS3221C  
Electronics Characteristics (VIN=5V, CIN=1uF, COUT=4.7uF, Ta=25oC, unless otherwise noted)  
Parameter  
Input voltage range  
Quiescent current  
ON resistance  
Symbol  
Conditions  
Min.  
Typ.  
Max.  
Units  
V
VIN  
2.5  
28  
IQ  
NO Load  
110  
28  
uA  
mΩ  
ns  
V
RON  
tOVP  
VIN=5V, IOUT=1A  
VIN rising, CIN=CL=0pF *1  
35  
OVP response time  
50  
VOVLO_TH  
1.17  
1.2  
35  
1.23  
WS3221C,  
adj. version  
2
VOVLO_HYS  
*
mV  
V
OVP threshold voltage  
VOVLO_TH  
WS3221C68, fixed version  
WS3221CB, fixed version  
WS3221CE, fixed version  
6.66  
10.29  
13.58  
4
6.8  
6.93  
10.5 10.71  
14.0 14.42  
20  
V
V
Adjust OVP voltage range  
External OVLO select  
Threshold  
VOVLO_RANGE VIN rising  
V
VOVLO_SELECT  
0.2  
0.3  
V
UVLO threshold voltage  
UVLO hysteresis voltage  
VUVLO  
VIN rising  
2.3  
V
V
VUVLO_HYS  
VIN falling  
0.25  
VIN>UVLO to VOUT=VIN*90%  
Turn ON time  
TON  
16  
ms  
CL=0  
Output discharge resistance  
OTP threshold temperature  
OTP hysteresis temperature  
RDCHG  
TOTP  
VIN=5V  
VIN=5V  
VIN=5V  
220  
150  
20  
Ω
oC  
oC  
THYS  
*1: Guaranteed by design  
10V  
OVP threshold voltage  
VIN=5V  
VOUT=5V  
0V  
TOVP  
OVP response time test  
*2: If connect a resistor-divider to set different OVLO threshold, then VOVLO_HYS = 35 x (1+R1/R2) mV  
Will Semiconductor Ltd.  
4
Dec, 2017 - Rev. 1.1  
WS3221C  
Typical Characteristics (TA=25°C, unless otherwise noted)  
40  
38  
36  
34  
32  
30  
28  
26  
24  
22  
20  
50  
45  
40  
35  
30  
25  
20  
15  
10  
VIN=5V  
VIN=8V  
VIN=24V  
VIN=5V,IOUT=0.2A  
-25  
0
25  
50  
75  
100  
125  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
Temperature(oC)  
RON vs. Temperature  
output current (A)  
Ron vs. output current  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
4.0  
VIN rising  
VIN falling  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
VIN=5V  
-25  
0
25  
50  
75  
100  
125  
-25  
0
25  
50  
75  
100  
125  
Temperature(oC)  
OVLO Set Threshold vs. Temperature  
Temperature(oC)  
UVLO vs. Temperature  
14.0  
13.5  
13.0  
12.5  
12.0  
11.5  
11.0  
10.5  
10.0  
7.0  
6.5  
6.0  
5.5  
5.0  
4.5  
4.0  
3.5  
3.0  
VIN=12V  
VIN=5V  
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
Output current (A)  
Output Voltage vs. Output current  
Output current (A)  
Output Voltage vs. Output current  
Will Semiconductor Ltd.  
5
Dec, 2017 - Rev. 1.1  
WS3221C  
160  
150  
140  
130  
120  
110  
100  
90  
26.0  
25.5  
25.0  
24.5  
24.0  
23.5  
23.0  
22.5  
22.0  
80  
VIN=5V  
VIN=24V  
70  
60  
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
-25  
0
25  
50  
75  
100  
125  
Temperature(oC)  
IQ vs. Temperature  
Output current (A)  
Output Voltage vs. Output current  
Will Semiconductor Ltd.  
6
Dec, 2017 - Rev. 1.1  
WS3221C  
PACKAGE OUTLINE DIMENSIONS  
CSP-6L  
D
e
e
E
d
TOP VIEW  
BOTTOM VIEW  
A2  
A
A1  
SIDE VIEW  
Dimensions in Millimeters  
Symbol  
Min.  
0.52  
0.16  
0.33  
1.22  
0.74  
Typ.  
0.57  
Max.  
A
A1  
A2  
D
0.63  
0.22  
0.39  
1.28  
0.80  
0.19  
0.36  
1.25  
E
0.77  
e
0.40Typ.  
0.40Typ.  
0.23  
e1  
d
0.19  
0.27  
Will Semiconductor Ltd.  
7
Dec, 2017 - Rev. 1.1  
WS3221C  
TAPE AND REEL INFORMATION  
Reel Dimensions  
Tape Dimensions  
P1  
Quadrant Assignments For PIN1 Orientation In Tape  
Q1  
Q3  
Q2  
Q4  
Q1  
Q3  
Q2  
Q4  
User Direction of Feed  
RD  
W
Reel Dimension  
7inch  
13inch  
12mm  
4mm  
Q2  
Overall width of the carrier tape  
8mm  
2mm  
Q1  
16mm  
8mm  
Q3  
P1  
Pitch between successive cavity centers  
Pin1 Pin1 Quadrant  
Q4  
Will Semiconductor Ltd.  
8
Dec, 2017 - Rev. 1.1  

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