MAX8804WETA+T Maxim Integrated Products, MAX8804WETA+T Datasheet - Page 12

• Manufacturer Part Number: MAX8804WETA+T
• Description: IC DUAL-IN ADPTR CHRGR 8-TDFN-EP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8804WETA+T

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 0 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Drive SET high to enable USB charging mode when the
USB input is valid. Subsequent low pulses with 1µs to
1ms pulse width on SET program the fast charging cur-
rent from 95mA, 380mA, to 475mA for the MAX8804Y/
MAX8804Z and from 380mA, 475mA, to 95mA for the
MAX8804V/MAX8804W and then repeat new cycle as
shown in Tables 5 and 6. Drive SET low or leave it
unconnected longer than 2ms to disable USB charg-
ing-control circuitry.
High-Voltage, Dual-Input, USB/AC
Adapter Chargers in 2mm x 3mm TDFN
Figure 4. USB Charging Current Programming
12
______________________________________________________________________________________
MAX8804Y/
MAX8804Z
MAX8804V/MAX8804W
USBPWR
THRESHOLD
CURRENT
TOP-OFF
I
I
USB
POK
SET
CHG
CHG
DELAY
0mA
0mA
2ms
t
SOFTSTART
USB Charge Mode
380mA
95mA
t
LOW
1
380mA
475mA
2
Table 6. MAX8804V/MAX8804W USB
Charging Current Programming by Series
Pulses
Table 5. MAX8804Y/MAX8804Z USB
Charging Current Programming by Series
Pulses
I
Top-Off Current
Threshold (mA)
I
Top-Off Current
Threshold (mA)
CHG
CHG
475mA
95mA
80mA
PULSE NUMBER
PULSE NUMBER
(mA)
(mA)
3
380mA
95mA
DEFAULT
DEFAULT
380
80
95
80
> 2ms
475
380
1st
1st
80
80
0mA
0mA
2nd
2nd
475
95
80
80
380
3rd
3rd
80
95
80