Philips Semiconductors
Product specification
TOPFET high side switch
BUK214-50Y
SMD version of BUK209-50Y
QUICK REFERENCE DATA
DESCRIPTION
Monolithic single channel high side
SYMBOL
PARAMETER
MIN.
UNIT
protected power switch in
TOPFET2 technology assembled in
I
L
Nominal load current (ISO)
6
A
a 5 pin plastic surface mount
package.
SYMBOL
PARAMETER
MAX.
UNIT
APPLICATIONS
V
BG
Continuous off-state supply voltage
50
V
General controller for driving
I
L
Continuous load current
12
A
lamps, motors, solenoids, heaters.
T
j
Continuous junction temperature
150
˚C
R
ON
On-state resistance
T
j
= 25˚C
60
m
Ω
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Vertical power TrenchMOS
Low on-state resistance
CMOS logic compatible
Very low quiescent current
Overtemperature protection
Load current limiting
Latched overload and
short circuit protection
Overvoltage and undervoltage
shutdown with hysteresis
On-state open circuit load
detection
Diagnostic status indication
Voltage clamping for turn off
of inductive loads
ESD protection on all pins
Reverse battery, overvoltage
and transient protection
Fig.1. Elements of the TOPFET HSS with internal ground resistor.
PINNING - SOT426
PIN CONFIGURATION
SYMBOL
PIN
DESCRIPTION
1
Ground
2
Input
3
(connected to mb)
4
Status
5
Load
Fig. 2.
Fig. 3.
mb
Battery
BATT
LOAD
INPUT
GROUND
STATUS
POWER
MOSFET
RG
CONTROL &
PROTECTION
CIRCUITS
mb
1 2
4 5
3
B
G
L
I
S
HSS
TOPFET
September 2002
1
Rev 2.000
