NCP3901FCCT1G [ONSEMI]

Dual Input, Single Output Power Source Multiplexer;
NCP3901FCCT1G
型号: NCP3901FCCT1G
厂家: ONSEMI    ONSEMI
描述:

Dual Input, Single Output Power Source Multiplexer

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NCP3901  
Dual Input, Single Output  
Power Source Multiplexer  
The NCP3901 integrated circuit is a dual input, single output power  
source multiplexer. It is optimized for multiplexing 2 different  
charging inputs to feed a single input battery charger. To address all  
types of applications, the device is able to support autonomous and  
slave modes of operation. Reverse USB on−the−go is fully supported.  
www.onsemi.com  
MARKING  
DIAGRAM  
Features  
3 A DC Minimum Current through Power Paths  
Reverse 5 V OTG Support through VINA Path  
Maximum 20 V Over Voltage Threshold  
28 V Absolute Maximum Voltage on VINA  
Compliance with IEC61000−4−5 at 100 V for VINA  
Indication of Presence of Second Input  
Autonomous Priority Selection and Switch Over Lock  
Small Footprint: 3.1 x 1.65 mm WLCSP28 0.4 mm Pitch  
30 ms Minimum Break−before−make Time  
This is a Pb−Free Device  
3901  
AWLYWW  
G
WLCSP28  
FCC SUFFIX  
CASE 567KR  
3901= NCP3901  
= Assembly Location  
WL = Wafer Lot  
= Year  
WW = Work Week  
A
Y
G
= Pb−Free Package  
ORDERING INFORMATION  
See detailed ordering, marking and shipping information on  
page 11 of this data sheet.  
Typical Applications  
Handheld Devices  
Tablets  
Smart Phone  
PDAs  
VINA  
CHANNEL 1 BACK  
TO BACK MOSFETS  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
VINA  
VINA  
VINA  
PRIMARY  
VINA  
CHARGING  
SOURCE  
(i.e. USB)  
VINA  
Battery /  
System  
OUTPUT  
DICHARGE  
VINA  
HV SBC  
SYSTEM  
VOVLO  
VUVLO  
IN1 PROTECTED SENSE  
OUT  
VINA_S  
GND  
GND  
OTG_EN / VINA_EN  
CTRL  
INTERNALPOWER  
1.8V  
GND  
GND  
GND  
SUPPLY  
/
LDO  
REFERENCE  
VOLTAGE  
MODE  
LOGIC CONTROL  
DRIVERS  
1.8V  
VOVLO  
FLAG / VINB_EN  
VUVLO  
FLAG  
VINB  
VINB  
SECONDARY  
CHARGING  
SOURCE  
(i.e. A4WP,  
Dock)  
VINB  
VINB  
CHANNEL 2 BACK  
TO BACK MOSFETS  
NCP3901  
Figure 1. Typical Application Circuit  
© Semiconductor Components Industries, LLC, 2016  
1
Publication Order Number:  
September, 2016 − Rev. 2  
NCP3901/D  
NCP3901  
Table 1. PIN FUNCTIONAL DESCRIPTION  
Pin  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
C4  
B5  
B6  
B7  
C5  
C6  
C7  
B1  
B2  
B3  
C2  
C3  
D4  
D5  
D6  
D7  
C1  
Name  
Type  
Description  
Channel 1 power input path. These pins must be decoupled with a  
VINA  
POWER  
1 mF input capacitor.  
Output power path. Connected to battery charger. These pins must  
be decoupled with a 4.7 mF input capacitor.  
OUT  
POWER  
GND  
VINB  
GROUND  
POWER  
Ground. Must be connected to a ground plane.  
Channel 2 power input path. These pins must be decoupled with a  
1 mF input capacitor.  
MODE  
CRTL  
DIGITAL INPUT  
DIGITAL INPUT  
Digital Input Pin. Used to determine autonomous−or slave mode.  
Digital Input Pin. Used to determine autonomous−locked or autono-  
mous−not locked mode.  
D1  
B4  
D2  
VINA_S  
ANALOG OUTPUT  
DIGITAL INPUT  
Image of VINA input when VINA is within the operating range.  
Used to select USB On−The−Go mode on channel 1  
VINA_EN/OTG_EN  
DIGITAL INPUT / OPEN  
DRAIN OUTPUT  
VINB valid indicator. This pin is used to indicate VINB is valid. Can  
also be used as an input to enable both VINA and VINB channels.  
D3  
VINB_EN/FLAG  
Pin Out  
1
2
3
4
5
6
7
VINA  
VINA  
VINA  
VINA  
VINA  
VINA  
VINA  
GND  
GND  
GND  
GND  
GND  
VINA_S  
OUT  
OUT  
OUT  
MODE  
CRTL  
OUT  
OUT  
OUT  
OUT  
VINA_EN VINB_EN  
/OTG_EN /FLAG  
VINB  
VINB  
VINB  
VINB  
Figure 2. Package TOP VIEW  
www.onsemi.com  
2
NCP3901  
Table 2. MAXIMUM RATINGS  
Rating  
Symbol  
Value  
−0.3 to +29  
100  
Unit  
V
VINA, (Note 1)  
V
INA  
V
INB  
VINA, (Note 2)  
V
VINB, VINA_S (Note 1)  
OUT (Note 1)  
−0.3 to +21  
−0.3 to +18  
−0.3 to +6  
−65 to +150  
−40 to +TSD  
Level 1  
V
V
OUT  
V
CTRL, MODE, VINA_EN/OTG_EN, VINB_EN/FLAG (Note 1)  
Storage Temperature Range  
V
CTRL  
V
T
STG  
°C  
°C  
Maximum Junction Temperature (Note 3)  
Moisture Sensitivity (Note 4)  
T
J
MSL  
ESD HBM  
ESD CDM  
ILU  
Human Body Model (HBM) ESD Rating (JEDEC standard: JESD22−A114)  
Charged Device Model (CDM) ESD Rating (JEDEC standard: JESD22−A114)  
Latch up Current (JEDEC standard: JESD78 class II):  
2500  
V
V
2000  
100  
mA  
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality  
should not be assumed, damage may occur and reliability may be affected.  
1. With Respect to GND. According to JEDEC standard JESD22−A108.  
2. With Respect to GND. According to standard IEC61000−4−5 1.2/50 ms.  
3. A thermal shutdown protection avoids irreversible damage on the device due to power dissipation.  
4. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J−STD−020.  
Table 3. OPERATING CONDITION  
Symbol  
Parameter  
Operational Power Supply on VINA  
Operational Power Supply on VINB  
Operational Supply  
Conditions  
Min  
0
Typ  
Max  
28  
Unit  
V
V
INA  
V
INB  
0
20  
V
V
,V  
,
0
5.5  
V
CTRL MODE  
V
,
INA_EN/OTG_EN  
V
INB_EN/FLAG  
I
Operational Output Current  
Operational Supply on OUT  
0
0
3
A
V
OUT  
V
OTG mode,  
5.5  
OUT  
VINA = VINB = 0 V  
Charging mode  
0
17.3  
V
mF  
C
Input Capacitor  
1
IN  
C
Output Capacitor  
4.7  
60  
25  
mF  
OUT  
R
Thermal Resistance Junction to Air  
Junction Temperature Range  
(Notes 3 and 5)  
°C/W  
°C  
JA  
J
T
−40  
+125  
5. The R  
is dependent on the PCB heat dissipation. Board used to drive this data was a 2s2p JEDEC PCB standard.  
q
JA  
Table 4. ELECTRICAL CHARACTERISTICS Min & Max Limits apply for T between −40°C to +85°C and T up to + 125°C for V  
IN  
A
J
between V  
Symbol  
CORE  
to V  
(Unless otherwise noted) Typical values are referenced to T = + 25°C and V = 5 V (Unless otherwise noted).  
UVLO  
OVLO A IN  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
V
Under Voltage Lockout ap-  
plied to VINA, VINB or OUT  
Rising  
Falling  
Rising  
Falling  
3.0  
V
V
UVLO  
2.45  
V
OVLO  
Over Voltage Lockout Re-  
ferred to VINA or VINB  
17  
16.4  
20  
V
V
I
Stand by current  
Measured on VOUT, VINA and VINB < UVLO,  
OTG mode off  
mA  
OFF  
I
Quiescent Current  
VINB > UVLO  
100  
200  
2
ON  
VINA and VINB > UVLO (including FLAG pull down)  
Measured on FLAG pin or MODE pin  
V
Internal pull up  
1.6  
2.2  
1.8  
V
V
INTPUP  
V
CTRL High− input voltage  
5.5  
CTRLH  
6. Guaranteed by design and characterization.  
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3
 
NCP3901  
Table 4. ELECTRICAL CHARACTERISTICS Min & Max Limits apply for T between −40°C to +85°C and T up to + 125°C for V  
IN  
A
J
between V  
Symbol  
CORE  
to V  
(Unless otherwise noted) Typical values are referenced to T = + 25°C and V = 5 V (Unless otherwise noted).  
UVLO  
OVLO A IN  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
V
MODE, VINA_EN/OTG_EN, VINB_EN/FLAG, CTRL High−level input voltage  
MODE, VINA_EN/OTG_EN, CRTL, VINB_EN/FLAG, CTRL Low−level input voltage  
VINB_EN/FLAG Low−level output voltage  
1.2  
0
5.5  
0.4  
0.4  
V
V
IH  
V
IL  
V
FLGL  
0
V
R
VINB_EN/FLAG pull up resistance  
50  
kW  
kW  
kW  
W
FLGPUP  
R
MODE pin pull up resistance  
100  
500  
500  
MODEPUP  
R
VINA_EN/OTG_EN, CRTL pins pull down resistance  
PULDN  
R
Output Discharge Resistance  
During Break before make transition, measured on  
OUT pin  
DIS  
POWER  
R
R
On resistance input VINA  
On resistance input VINB  
Soft Start on both channel  
V
V
> 4 V  
> 4 V  
50  
50  
80  
80  
mW  
mW  
ms  
DSONA  
DSONB  
INA  
INB  
T
RIN  
From 10% to 90% of VINA or VINB, CLOAD =  
800  
4.7 mF, RLOAD = 500 W.  
T
Soft Start on both channel  
Inrush current  
VOUT = 5V. From 10% to 90% of VINA or VINB,  
CLOAD = 4.7 mF, RLOAD = 500 W.  
800  
800  
ms  
ROUT  
I
Supply on VINA = 5 V or 10 V or VINB = 5 V or 10 V  
or VOUT = 5 V CLOAD = 4.7 mF, RLOAD = 500 W.  
(Note 6)  
mA  
RHMX  
Total charge on C  
during T time (Note 6)  
50  
1
mC  
OUT  
ON  
Supply on VINA or VINB or VOUT CLOAD = 4.7 mF,  
RLOAD = 500 W. (Note 6)  
A
T
ON  
Turn−on time  
Slave Mode, from V  
= 1 to V = 90% of  
OUT  
800  
ms  
INA_EN  
V
INA  
or V  
= 1 to V  
= 90% of V  
.
INB_EN  
OUT  
INB  
V
VOUT maximum voltage  
17.3  
V
VINA from 0 V to 28 V in 3 V/ms and COUT = 4.7 mF  
VINB from 0 V to 20 V in 3 V/ms and COUT = 4.7 mF  
OUTMAX  
100 V surge holdoff to support IEC 61000−4−5 on  
VINA. (Note 6)  
CONTROL and TIMING  
T
Debounce time for V  
valid  
valid  
From V  
(excluding soft start)  
< V  
< V  
< V  
to V  
to V  
enable  
enable  
15  
1
ms  
ms  
DEBINA  
INA  
INB  
UVLO  
INA  
OVLO  
INA  
T
Debounce time for V  
From V < V  
DEBINB  
UVLO  
INB  
OVLO  
INB  
(excluding soft start)  
T
CRTL pin deglitcher  
OTG wait time  
100  
10  
ms  
CRTL  
T
OTG1  
Autonomous Mode, VINB valid, From VINA_EN/  
OTG_EN = 1 to VINA valid (excluding soft start)  
ms  
T
Autonomous Mode, VINB not valid, From VINA_EN/  
OTG_EN = 1 to VINA valid (excluding soft start)  
1
ms  
ms  
OTG2  
T
Break before make time  
Autonomous Mode, From VINA valid to VINB valid or  
from VINB valid to VINA valid  
30  
BBM  
INPUT SENSE PIN  
V
Voltage Drop VINA – VINA_S  
20 mA sink on V  
(Note 6)  
200  
20  
mV  
V
INSDRP  
INA_S  
V
Max Voltage on VINA_S volt-  
age sense  
INSNSMX  
THERMAL SHUTDOWN  
Thermal Shutdown  
T
SD  
Temperature Rising  
Temperature Falling  
150  
135  
°C  
6. Guaranteed by design and characterization.  
www.onsemi.com  
4
 
NCP3901  
Functional Description  
VINA  
VINA  
VINA  
CHANNEL 1 BACK  
TO BACK MOSFETS  
OUT  
OUT  
OUT  
VINA  
VINA  
OUT  
OUT  
VINA  
VINA  
OUT  
OUT  
OUTPUT  
DICHARGE  
VOVLO  
VUVLO  
IN 1 PROTECTED SENSE  
OUT  
VINA_S  
GND  
GND  
OTG_EN / VINA_EN  
CTRL  
INTERNAL POWER  
1.8V  
GND  
GND  
GND  
SUPPLY  
/
LDO  
REFERENCE  
VOLTAGE  
LOGIC CONTROL  
MODE  
1.8V  
VOVLO  
VUVLO  
DRIVERS  
FLAG / VINB_EN  
FLAG  
VINB  
VINB  
VINB  
VINB  
CHANNEL 2 BACK  
TO BACK MOSFETS  
NCP 3901  
Figure 3. Block Diagram  
Overview  
The IC contains a VINB_EN/FLAG input that informs  
the controlling logic if the secondary channel is conducting  
or not.The VINB_EN/FLAG pin can also be used as an input  
signal in order to enable both inputs at the same time.  
The IC features a VINA_S protected and current limited  
output as soon as the VINA voltage is valid (operating  
range).  
The NCP3901 is a 2 to 1 flexible power source selector  
with arbitration logic. A primary power path (VINA) and  
secondary power path (VINB) are switched to a single pin  
(OUT) that provides power to a system (battery charger  
input).The two inputs (VINA and VINB) are Over Voltage  
protected. The Over Voltage Threshold is set in such a way  
that, considering pass MOSFET turn off time, the absolute  
highest voltage at the OUT pin with a 3 V/ms rising input  
voltage will be 20 V.  
In addition, VINA is connected to an active clamp that  
protects all downstream circuitry up to a high voltage surge  
of 100 Vas defined by the IEC61000−4−5 1.2/50 ms and  
10/700 ms standard. The IC is protected against reverse  
voltage applied to the OUT pin on both inputs by use of back  
to back power MOSFETs.  
Depending on the MODE pin level, the IC will operate in  
“Autonomous” or “Slave” mode.  
If MODE pin is high the part operates in Slave Mode  
If MODE pin is low the part operates in Autonomous  
Mode  
In Autonomous mode, the CTRL pin will prevent, if  
pulled high, the part from switching from one input to the  
other one. MODE digital pin, if pulled high, can also be used  
to do this.  
Finally, a thermal protection will stop the IC when  
exceeding the TSD threshold. The IC function will be  
enabled automatically when the part cools down.  
When a valid voltage is applied to the OUT pin, a digital  
input VINA_EN/OTG_EN pin will allow this voltage to  
pass through the power channel 1 from OUT to VINA.  
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5
NCP3901  
Mode Selection  
Mode 1 – Slave Mode  
Mode selection to support multiple applications is based  
on the CTRL and MODE pins, as depicted in the table below.  
If no external components are connected to the CRTL and  
MODE pins, the device is configured in slave mode.  
In slave mode, the NCP3901 is directly control by the  
host. The OTG and FLAG pins are respectively assigned to  
VINA_EN and VINB_EN, directly controlling input  
channel A and input channel B.  
MODE Pin  
Low  
CTRL Pin  
Low  
PMUX behavior  
VINA_EN  
Low  
VINB_EN  
Low  
Selected Path  
None  
Autonomous mode – Not Locked  
Autonomous mode – Locked  
Low  
High  
Low (default)  
High  
High (default)  
Low  
VINB Conducting  
VINA Conducting  
VINB and VINA Conducting  
High  
Low  
Slave mode  
High  
High  
High  
High  
VINA  
OVLO  
UVLO  
VINB  
OVLO  
UVLO  
VINA_EN  
VINB_EN  
OUT  
UVLO  
Figure 4. Signal Timing in Slave Mode  
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6
NCP3901  
Mode 2 – Autonomous Mode  
transition, a break−before−make operation is performed  
within 30 ms in order to avoid cross conduction between  
VINA and VINB and to ensure proper operation. A 500 W  
pulldown resistor on OUT is enabled for the entire duration  
of the break−before−make time. As the PMUX is able to turn  
on channel VINA or VINB, a FLAG pin indicates to the  
system the active path. When the VINB path is active, FLAG  
pin is high. As a consequence, if a valid voltage is present on  
the OUT pin and if FLAG is low, VINA is active.  
Autonomous Mode − Not Locked  
In autonomous not locked mode, the device uses its own  
logic to determine which input path is conducting and  
provides information to the system and priority is given to  
the VINA channel. If a VINA supply is detected valid while  
VINB is conducting, the PMUX will automatically switch  
the conducting input from VINB to VINA. During this  
INA  
O VLO  
UVLO  
INB  
O VLO  
UVLO  
OTG_EN  
FLAG  
OUT  
5V  
Figure 5. Signal Timing in Autonomous Mode – Charging Example  
Autonomous Mode − Locked  
the VINA output is powered from VOUT and is soft−started  
for 1 ms.  
Autonomous locked mode is set when the CTRL pin is  
high. In this mode, the first valid input is active till this input  
becomes not valid. This feature can be used to lock the VINB  
channel in case of a weak battery for example.  
For VINB to supply the OTG accessory (connected on  
VINA) though OUT, both channels must be activated. This  
can be done by asserting the FLAG pin low. Usually used as  
an output, the FLAG pin is also sensed by the PMUX in  
autonomous mode. When VINB is valid, the FLAG pin open  
drain is open. Thus asserting the FLAG pin low will turn on  
the VINA path with VINB already active.  
OTG Mode  
5 V is applied on the output of the device during OTG  
mode. This 5 V will pass through the VINA path when the  
OTG_EN pin is driven high. When enabling the OTG mode,  
1.8V  
Schmitt  
Trigger  
FLAG INPUT  
(Digital Input)  
50 k  
FLAG INPUT  
FLAG  
FLAG OPEN DRAIN  
(Digital Input)  
FLAG OPEN DRAIN  
Inverter  
Figure 6. FLAG Functional Diagram  
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7
NCP3901  
INA  
O VLO  
5V  
UVLO  
INB  
O VLO  
5V  
Disconnected  
UVLO  
OTG_EN  
FLAG  
OUT  
Flag as input is forced to 0  
5V  
Figure 7. Signal Timing in Autonomous Mode – USB On The Go Example  
Autonomous Mode Functional Diagram  
Break Before Make  
VINA and VINB not conducting  
FLAG is Low  
VINA VALID  
VINA VALID (Not Locked mode)  
VINB VALID and  
VINA NOT VALID  
VINB VALID and  
VINA NOT VALID  
Discharge path is enable  
VINA conducting  
VINB conducting  
VINA and  
VINB NOT VALID  
FLAG is Low  
FLAG is high  
Discharge path is disable  
Discharge path is disable  
OFF Mode  
VINA VALID  
VINB VALID  
FLAG is Low  
VINB and  
VINB NOT VALID  
Discharge path is disable  
VINA NOT VALID  
FLAG PIN LOW  
VINB NOT VALID  
FLAG PIN  
HIGH  
OTG mode, VINA conducting  
VINA and VINB conducting  
OTG EN  
OTG DISABLE  
FLAG is Low  
FLAG is high but forced Low  
Discharge path is disable  
Discharge path is disable  
Figure 8. Functional Diagram  
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8
NCP3901  
VINA Sense Output  
The IC features a protected VINA Sense to the processor.  
This output is 0V when the VINA voltage level is lower than  
will disable both VINA and VINB when the voltage applied  
to VINA or VINB will exceed the OVLO thresholds. The  
response time of the overvoltage lock out is fast enough to  
prevent a voltage of maximum of 20 V at VOUT.  
In compliance with IEC 61000−4−5, both 1.2/50 ms and  
10/700 ms surge waveforms up to 100 V, the PMUX clamp  
input voltage surges on VINA to 28 V and hold off the  
voltage. During these surges, the voltage at VOUT will not  
exceed 20 V.  
V
UVLO  
and higher than V  
and equal to VINA when the  
OVLO  
VINA voltage is within the operation range.  
Input Voltage Protection  
The device can withstand a maximum of 28 V DC on  
VINA and 20 V DC on VINB. Embedded OVP thresholds  
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9
NCP3901  
TYPICAL CHARACTERISTICS  
I
= 200 mA  
LOAD  
I
= 200 mA  
LOAD  
Figure 9. VINA ON Resistance vs. VINA  
Figure 10. VINB ON Resistance vs. VINB  
I
= 2 A  
I
= 2 A  
LOAD  
LOAD  
Figure 11. VINA ON Resistance vs. VINA  
Figure 12. VINB ON Resistance versus VINB  
Figure 14. VINB ION vs VINB  
(including FLAG pull−up)  
Figure 13. VINA ION vs VINA  
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10  
NCP3901  
APPLICATION INFORMATION  
Typical Application  
VINA  
VINA  
VINA  
VINA  
CHANNEL 1 BACK  
TO BACK MOSFETS  
OUT  
OUT  
OUT  
PRIMARY  
VINA  
OUT  
OUT  
CHARGING  
VINA  
Battery /  
System  
SOURCE  
OUT  
OUT  
OUTPUT  
DICHARGE  
VINA  
(i.e. USB)  
HV SBC  
SYSTEM  
VOVLO  
VUVLO  
IN1 PROTECTED SENSE  
OUT  
VINA_S  
OTG_EN  
CTRL  
GND  
GND  
INTERNALPOWER  
1.8V  
GND  
GND  
GND  
SUPPLY  
REFERENCE  
VOLTAGE  
/
LDO  
MODE  
LOGIC CONTROL  
1.8V  
VOVLO  
DRIVERS  
FLAG  
VUVLO  
FLAG  
VINB  
VINB  
SECONDARY  
CHARGING  
SOURCE  
(i.e. A 4WP,  
Dock)  
VINB  
VINB  
CHANNEL 2 BACK  
TO BACK MOSFETS  
Figure 15. Autonomous Mode  
VINA  
VINA  
VINA  
CHANNEL 1 BACK  
TO BACK MOSFETS  
OUT  
OUT  
OUT  
VINA  
VINA  
PRIMARY  
CHARGING  
SOURCE  
OUT  
OUT  
VINA  
VINA  
Battery /  
System  
OUT  
OUT  
OUTPUT  
DICHARGE  
(i.e. USB)  
HV SBC  
SYSTEM  
VOVLO  
VUVLO  
IN1 PROTECTED SENSE  
OUT  
VINA_S  
VINA_EN  
CTRL  
GND  
GND  
INTERNALPOWER  
1.8V  
GND  
GND  
GND  
SUPPLY  
REFERENCE  
VOLTAGE  
/
LDO  
MODE  
LOGIC CONTROL  
1.8V  
VOVLO  
VUVLO  
DRIVERS  
VINB_EN  
FLAG  
VINB  
VINB  
SECONDARY  
CHARGING  
SOURCE  
(i.e. A 4WP,  
Dock)  
VINB  
VINB  
CHANNEL 2 BACK  
TO BACK MOSFETS  
Figure 16. Salve Mode  
ORDERING INFORMATION  
Part Number  
Marking Diagram  
Shipping  
NCP3901FCCT1G  
3901  
3000 / Tape & Reel  
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging  
Specifications Brochure, BRD8011/D.  
www.onsemi.com  
11  
MECHANICAL CASE OUTLINE  
PACKAGE DIMENSIONS  
WLCSP28, 3.1x1.65, 0.4P  
CASE 567KR  
ISSUE O  
DATE 23 SEP 2014  
SCALE 4:1  
NOTES:  
1. DIMENSIONING AND TOLERANCING PER  
ASME Y14.5M, 1994.  
2. CONTROLLING DIMENSION: MILLIMETERS.  
3. COPLANARITY APPLIES TO SPHERICAL  
CROWNS OF SOLDER BALLS.  
D
A
B
E
PIN A1  
REFERENCE  
MILLIMETERS  
DIM  
A
A1  
A2  
A3  
b
MIN  
−−−  
0.17  
0.33  
0.02  
0.24  
MAX  
0.60  
0.23  
0.39  
0.04  
0.28  
A2  
DIE COAT  
(OPTIONAL)  
A3  
2X  
0.10  
0.10  
C
2X  
C
D
E
e
3.10 BSC  
1.65 BSC  
0.40 BSC  
TOP VIEW  
DETAIL A  
A2  
GENERIC  
MARKING DIAGRAM*  
DETAIL A  
A
C
0.10  
0.05  
C
XXXXXX  
AWLYWW  
G
C
SEATING  
PLANE  
A1  
NOTE 3  
SIDE VIEW  
A
= Assembly Location  
WL = Wafer Lot  
= Year  
WW = Work Week  
e
28X  
b
Y
0.05  
0.03  
C A B  
e
D
C
B
G
= PbFree Package  
C
e/2  
*This information is generic. Please refer to  
device data sheet for actual part marking.  
PbFree indicator, “G” or microdot “ G”,  
may or may not be present.  
A
1
2
3
4
5
6
7
RECOMMENDED  
SOLDERING FOOTPRINT*  
BOTTOM VIEW  
PACKAGE  
OUTLINE  
A1  
0.40  
28X  
0.25  
PITCH  
0.40  
PITCH  
DIMENSIONS: MILLIMETERS  
*For additional information on our PbFree strategy and soldering  
details, please download the ON Semiconductor Soldering and  
Mounting Techniques Reference Manual, SOLDERRM/D.  
Electronic versions are uncontrolled except when accessed directly from the Document Repository.  
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.  
DOCUMENT NUMBER:  
DESCRIPTION:  
98AON91880F  
WLCSP28, 3.1X1.65, 0.4P  
PAGE 1 OF 1  
ON Semiconductor and  
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.  
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding  
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically  
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the  
rights of others.  
© Semiconductor Components Industries, LLC, 2019  
www.onsemi.com  
onsemi,  
, and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates  
and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property.  
A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/PatentMarking.pdf. onsemi reserves the right to make changes at any time to any  
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Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.  
ADDITIONAL INFORMATION  
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