HA16163T Datasheet, PDF (10/30 Pages) Renesas Technology Corp – Synchronous Phase Shift Full-Bridge Control IC

HA16163T
Timer Latch and One Shot OCP
CS
0.4V
4V
3.78V
SS
0.4V
LOCKOUT ^{OUT ENABLE}
(Internal signal) ^{OUT DISABLE}
SEQ.
(Internal signal)
0.6V
3.9V
3.9V
0.4V
FOR PHASE MODULATION
FAULT LOGIC
3.9V −
+
4V
RES
10µA
SS IN
−
SS
3.78V ⁺
R
Q
S
SEQ.
87µA
−
0.4V ⁺
S
Q
R
SHORT DET.
DISCHARGE
S
Q
R
+ PULSE BY PULSE
0.4V ^−
CS
+ ONE SHOT
LIMIT IN
0.6V ^−
VREFGOOD
R
Q
S
LOCKOUT
All Flip-flop are initialized by VREFGOOD in turn on period.
OCP Block
SS IN : Voltage detector input of SS pin.
SEQ. : Timer Latch function is not activated when SEQ. signal is Low.
SHORT DET. : Once ONE SHOT comparator detect short current in the power supply, SHORT DET. is High
until SS voltage reaches down to 0.4V.
DISCHARGE : Gate control for SS capasitor reset.
LIMIT IN : One shot OCP input.
LOCKOUT : Lock-out signal for OUT-A to F.
VREFGOOD : System reset signal. VREFGOOD is High when either VREF<4.6V or Remote off mode.
Rev.5.0, Mar.15.2004, page 10 of 29