Rainbow Electronics MAX17008 - Manual (Page 17)

MAX17007A/MAX17008
Dual and Combinable QPWM Graphics
Core Controllers for Notebook Computers
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MAX17007A
MAX17008 POWER-GOOD AND
FAULT PROTECTION 2
(FIGURE 13)
PWM CONTROLLER 2
(FIGURE 4)
CURRENT LIMIT 2
(FIGURE 8)
SMPS2 TARGET
DECODE
(FIGURE 9B)
MUX
2.0V
REF
PGOOD2
COMBINE
(FB2 = V
CC )
FB2
CSH2
CSL2
ILIM2
EN2
LX2
CURRENT-
SENSE GAIN
VALLEY
CURRENT
LIMIT
DH2
BST2
PGND
DL2
V DD
CSL2
TARGET2
G m
G
m
POWER-GOOD AND
FAULT PROTECTION 1
(FIGURE 13)
PWM CONTROLLER 1
(FIGURE 4)
CURRENT LIMIT 1
(FIGURE 8)
SMPS1 TARGET
DECODE
(FIGURE 9A)
MUX
PGOOD1
REF
V CC
REFIN1
CSH1
CSL1
ILIM1
SKIP
TON1
TON2
EN1
LX1
CURRENT-
SENSE GAIN
VALLEY
CURRENT
LIMIT
DH1
BST1
GND
DL1
CSL1
G m
G
m
TARGET1
FAULT1 FAULT2
V DD
CURRENT
BALANCE
COMBINE
(FB2 = V
CC
)
COMBINE
(FB2 = V CC )
COMBINE
(FB2 = V
CC
)
Figure 3. MAX17007A/MAX17008 Functional Diagram