Rainbow Electronics MAX5943 - Manual (Page 18)

MAX5943
FireWire Current Limiter and Low-Drop
ORing Switch Controller
18 ______________________________________________________________________________________
Figure 13. Two-Port FireWire Power Provider Using MAX5943A and MAX5944
SENSE GATE1
OR_ADJ ONQ1 GND LATCH
GATE2 OUT IN
MAX5943A
TIM
ON
ILIM
FAULT
15mΩ
SI7958DP SI7958DP
SENSE GATE1
OR_ADJ ONQ1 GND LATCH
GATE2 OUT IN
MAX5943A
TIM
ON
ILIM
FAULT
15mΩ
SI7958DP SI7958DP
SENSEA GATE1A GATE2A OUTA INA
MAX5944
ONA
ONQ1
GND
ONB
FAULTA
FAULTB
30mΩ
SI7958DP SI7958DP
30mΩ
IRF7478 IRF7478
MAX5033
SGND
V IN
ON
FB
GND
VD
IN4148 IN4148
IN4148
BST
LX
PHY
POWER OUT
CABLE
ON
NOT
SLEEP
CURRENT-LIMIT
SENSE
PORT 1
SENSE
PORT 0
SENSE
CABLE
POWER
SOURCE
BATTERY-POWER
SOURCE
IN4148
CPA SENSE
PORT 0
PORT 1
SENSEB GATE1B GATE2B OUTB INB