MAX14578E_12 Datasheet, PDF (16/23 Pages) Maxim Integrated Products – USB Battery Charger Detectors

MAX14578E/MAX14578AE
USB Battery Charger Detectors
STANDARD USB
HOST CHARGING
DOWNSTREAM PORT
VLOAD PU
3.6V
HLPU
300kΩ
D+
HPD
14.25kΩ TO 24.8kΩ
APPLE CHARGER
VBUS
5.0V
ADPPU
75.0kΩ
D+
ADPPD
49.9kΩ
SONY CHARGER
VBUS
5.0V
SDPPU
5.1kΩ
D+
SDPPD
10kΩ
VLOAD PU
3.6V
HLPU
300kΩ
D-
HPD
14.25kΩ TO 24.8kΩ
VBUS
5.0V
ADMPU
43.2kΩ (FOR 1A)
75.0kΩ (FOR 0.5A)
D-
ADMPD
49.9kΩ
VBUS
5.0V
SDPPU
5.1kΩ
D-
SDPPD
10kΩ
DEDICATED CHARGER
VBUS
5.0V
2MΩ
(MIN)
D+
D-
2MΩ
(MIN)
Figure 3. Standard USB Host/Charging Downstream Port, Apple Charger, Sony Charger, and Dedicated Charger
Figure 3 shows D+/D- terminations for a standard USB
host/charging downstream port, an Apple charger, a
Sony charger, and a dedicated charger.
Charger-Enable Control Outputs
The MAX14578E/MAX14578AE feature digital open-drain
outputs—CE0 (MAX14578AE only), CE1, and CE2—to
control an external charger autonomously. See Table 3.
Table 3. Charger-Enable Control Outputs
SUS_LOW
EN
CHG_TYP
USB_CPL
CE2
CE1
CE0
0
1
X
X
1
1
1
1
1
X
X
0
0
1
0
0
000
X
1
1
1
1
0
000
X
0
0
1
0
0
110
X
1
1
1
1
0
110
X
0
0
1
X
0
001
0
1
0
0
0
0
001
1
1
1
1
1
0
001
1
0
0
1
X
0
010
X
0
1
0
X
0
011
X
0
1
0
X
0
100
X
1
0
0
X
0
101
X
0
1
0
X
0
111
X
0
0
0
Note: When CE_FRC = 1, CE[2:0] are set by an I²C command.
X = Don’t care.
16  
Maxim Integrated