HIP4086
Functional Block Diagram (1/3 of HIP4086 )
CHARGE
PUMP
AHB
16
17
18
DRIVER
5
AHI
DIS
TURN-ON
DELAY
LEVEL
SHIFTER
AHO
AHS
10
10ns
UV
DELAY
20
8
V
DD
UNDERVOLTAGE
DETECTOR
DEAD TIME
DISABLE
UV
UVLO
V
RFSH
PULSE
20
21
6
DD
9
RFSH
DRIVER
TURN-ON
DELAY
ALO
4
7
ALI
V
SS
DEAD TIME
CURRENT
MIRRORS
RDEL
DEAD TIME
DISABLE
2µs
DELAY
-
+
+
100mV
-
V
SS
TRUTH TABLE
INPUT
OUTPUT
ALI, BLI, CLI
AHI, BHI, CHI
UV
X
1
DIS
1
RDEL
ALO, BLO, CLO
AHO, BHO, CHO
X
X
1
0
0
1
X
X
X
0
1
0
X
0
0
1
0
0
1
0
0
0
1
0
1
X
0
X
>100mV
X
0
0
0
0
0
X
0
0
<100mV
NOTE: X signifies that input can be either a “1” or “0”.
Typical Application (PWM Mode Switching)
+12V
80V
+12V
BHB
BHI
BLI
ALI
AHI
BHO
BHS
BLO
ALO
1
2
24
23
22
21
20
19
R
3
DEL
4
PWM
INPUTS
V
5
DD
V
6
CLO
SS
7
RDEL
UVLO
RFSH
DIS
AHS 18
AHO 17
GND
8
AHB
CHS
CHO
CHB
16
15
14
13
9
R
10
11
12
UV
(OPTIONAL)
CLI
C
RFSH
CHI
(OPTIONAL)
FROM
OPTIONAL
OVERCURRENT
LATCH
3-PHASE
LOAD
R
DIS
2
INTERSIL [ Intersil ]
