MAX14618ETA+T Maxim Integrated, MAX14618ETA+T Datasheet - Page 13

• Manufacturer Part Number: MAX14618ETA+T
• Description: Power Switch ICs - USB MAX14618ETA+T
• Manufacturer: Maxim Integrated

Table 4. Different Power States
The MAX14600–MAX14605/MAX14618 family features
a pass-through mode with CDP emulation. This is to
support the higher charging current capability dur-
ing the pass-through mode in normal USB operation
(S0 state). The peripheral device equipped with CDP
Figure 5. MAX14601/MAX14604/MAX14618 Peripheral Reset Applications Diagram
USB Host Charger Identification/Adapter Emulators
STATE
S0
S1
S2
S3
S4
S5
System on.
Power to the CPU(s) and RAM is maintained;
devices that do not indicate they must remain on
can be powered down.
CPU is powered off.
Standby (suspend to RAM). System memory
context is maintained, and all other system
context is lost.
Hibernate. Platform context is maintained.
Soft off.
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USB Pass-Through Mode
DESCRIPTION
with CDP Emulation
TRANSCEIVER
TDM
TDM
USB
MAX14601
MAX14604
MAX14618
TDP
TDP
GND
MAX14600–MAX14605/MAX14618
V
CC
CEN
CB0
CB1
DM
DP
0.1µF
1kΩ
33kΩ
150µF
V
BUS
GND
D+
D-
V
PM/AM
CM/FM
BUS
CURRENT-LIMIT
EN
detection capability could draw a charging current as
defined in USB Battery Charger Specification 1.2 when
the charging host supports the CDP mode. This is a
useful feature since most host USB transceivers do
not have the CDP function.
power states of S0–S5.
The MAX14601/MAX14604/MAX14618 auto current-limit
switch-control output can be used to discharge the V
during V
limit switch for V
be discharged slowly depending upon the load. If fast
discharge of the V
used to discharge the V
The MAX14600–MAX14605/MAX14618 family support
USB devices that require detecting the USB data lines
prior to charging. When a USB Revision 1.2-compliant
device is attached, the USB data lines DP and DM are
shorted together. The short remains until it is detected
CONNECTION
SWITCH
USB
SYSTEM CONTROL
BUS
V
reset. When the system controls the current
CC
BUS
+5V POWER
BUS
SUPPLY
Data Contact Detect Support
PS EN
toggle, the output capacitor can
is desired, the CEN output can be
BUS
Bus Voltage Discharge
Table 4
(Figure
6.)
shows the different
BUS