MAX14578AE Maxim, MAX14578AE Datasheet - Page 7

• Manufacturer Part Number: MAX14578AE
• Description: The MAX14578E/MAX14578AE are USB charger detectors compliant with USB Battery Charging Revision 1
• Manufacturer: Maxim

(V
BAT
5
4
3
2
1
0
= +4.2V, V
0
I
CD_
= 10mA
0.5
T
A
CD+/CD- ON-RESISTANCE
= +25°C
vs. V
B
1.0
V
CD_
= +5.0V, C BAT = 1FF, C VB = 1FF, unless otherwise noted.)
_______________________________________________________________________________________
2.0
1.5
1.0
0.5
CD_
0
VOLTAGE (V)
2.8
CE_ vs. V
1.5
(USB_CPL = 1, USBSWC = 0, V
T
APPLE 1A CHARGER, USB COMPLIANT
VOLTAGE
A
= +85°C
3.1
2.0
T
LOGIC-INPUT THRESHOLD
A
3.4
= -40°C
BUS
vs. SUPPLY VOLTAGE
BAT SUPPLY VOLTAGE (V)
3.7
2.5
CONNECTION (MAX14578E)
20ms/div
4.0
V
V
3.0
IH
IL
4.3
USB Battery Charger Detectors
4.6
-20
-40
-60
-80
4.9
Typical Operating Characteristics (continued)
MAX14578E toc15
TD+
0
0.01
5.2
= 3V)
CD+/CD- FREQUENCY RESPONSE
5.5
OFF-ISOLATION
V
5V/div
V
2V/div
V
5V/div
V
5V/div
B
CD+
CE2
CE1
FREQUENCY (MHz)
1
ON-LOSS
USB CHARGING DOWNSTREAM PORT, USB COMPLIANT
100
CE_ vs. V
CE_ vs. V
(USB_CPL = 1, USBSWC = 0, V
USB CHARGING DOWNSTREAM PORT
10,000
BUS
BUS
CONNECTION (MAX14578AE)
CONNECTION (MAX14578E)
(V
100ms/div
40ms/div
TD+
= 3V)
50
40
30
20
10
0
-40
CD+/CD- LEAKAGE CURRENT
MAX14578E toc14
MAX14578E toc16
TD+
-15
= 3V)
vs. TEMPERATURE
TEMPERATURE (°C)
10
OFF-LEAKAGE
ON-LEAKAGE
V
5V/div
V
0.5V/div
V
5V/div
V
5V/div
V
5V/div
V
2V/div
V
5V/div
V
5V/div
B
CD+
CE2
CE1
B
CD+
CE2
CE1
35
60
85
7