ISL6115_07 Datasheet, PDF (11/12 Pages) Intersil Corporation – Power Distribution Controllers

ISL6115, ISL6116, ISL6117, ISL6120
+ _{B3 LOAD}
B4 ^-
HI J2 LOAD J3 LO
Q2
R1
J1
C1
+VBUS
R7
R2
J4
-VBUS
R2
R1
Q1
R3
C1
V+ B2
1
8
2 _ISL6115 7
3
U1
6
4
5
D1
C3
R4
JP1
+12V
V_BIAS
B1
PWRON
R5
C2
D2
DD1
3.3V
B5
C3
ISL6116
U1
R
G
1
R6
R11
DD1 ^R5
D2 ^3.3V
PWRON
TP8
LOGIN
TP9
R8
R10
R9
OFF
0-5V
OT1
ON
FIGURE 21. ISL6115EVAL1 HIGH SIDE SWITCH APPLICATION
FIGURE 22. ISL6116EVAL1 NEGATIVE VOLTAGE LOW SIDE
CONTROLLER
TABLE 4. BILL OF MATERIALS, ISL6115EVAL1, ISL6116EVAL1
COMPONENT
DESIGNATOR
COMPONENT NAME
COMPONENT DESCRIPTION
Q1
HUF76132SK8
11.5mΩ, 30V, 11.5A Logic Level N-Channel Power MOSFET or equiv.
Q2
HUF7554S3S
10mΩ, 80V, 75A N-Channel Power MOSFET or equiv.
R1
Load Current Sense Resistor
Dale, WSL-2512 10mΩ 1W Metal Strip Resistor
High Side R2 Overcurrent Voltage Threshold Set Resistor 750Ω 805 Chip Resistor (Vth = 15mV)
Low side R2 Overcurrent Voltage Threshold Set Resistor 1.21kΩ 805 Chip Resistor (Vth = 24mV)
C2
Time Delay Set Capacitor
0.047μF 805 Chip Capacitor (4.5ms)
C1
Gate Timing Capacitor
0.001μF 805 Chip Capacitor (<2ms)
C3
IC Decoupling Capacitor
0.1μF 805 Chip Capacitor
R3
Gate Stability Resistor
20Ω 805 Chip Resistor
R7
Gate to Drain Resistor
2kΩ 805 Chip Resistor
JP1
Bias Voltage Selection Jumper
Install if switched rail voltage is = +12V ±15%. Remove and provide separate +12V
bias voltage to U1 via TP5 if ISL6116, ISL6117, ISL6120 being evaluated.
R4, R5 LED Series Resistors
2.32kΩ 805 Chip Resistor
D1, D2 Fault Indicating LEDs
Low Current Red SMD LED
DD1
Fault Voltage Dropping Diode
3.3V Zener Diode, SOT-23 SMD 350mW
OT1
PWRON Level Shifting Opto-Coupler
PS2801-1 NEC
R8
Level Shifting Bias Resistor
2.32kΩ 805 Chip Resistor
R9
Level Shifting Bias Resistor
1.18kΩ 805 Chip Resistor
R10
Level Shifting Bias Resistor
200Ω 805 Chip Resistor
RG1
HIP5600IS
High Voltage Linear Regulator
R6
Linear Regulator RF1
1.78kΩ 805 Chip Resistor
R11
Linear Regulator RF2
15kΩ 805 Chip Resistor
TP1-TP8 Test Points for Device Pin Numbers 1-8
11
February 6, 2007