WM8311GEB/V Wolfson Microelectronics, WM8311GEB/V Datasheet - Page 23

• Manufacturer Part Number: WM8311GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 121BGA
• Manufacturer: Wolfson Microelectronics

Specifications of WM8311GEB/V

• Supply Voltage: 5.5V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 7
• Digital Ic Case Style: BGA
• No. Of Pins: 121
• No. Of Regulated Outputs: 9
• Operating Temperature Range: -40°C To
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Pre-Production
7.8
Unless otherwise noted: T
7.9
Unless otherwise noted: T
7.10 GENERAL PURPOSE INPUTS / OUTPUTS (GPIO)
GPIO1 to GPIO16
Unless otherwise noted: T
7.11 DIGITAL INTERFACES
Unless otherwise noted: T
w
Supply voltage
Target voltage
Charger re-start threshold
End of charge current
Charge current
Backup battery detect threshold
Charge current accuracy
Supply voltage
USB FET ‘On’ Resistance
Current limit
Current limit response time
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
Sink / source current
Pull-up resistance to GPn_DOM
Pull-down resistance
ON, RESET, IRQ, CIFMODE, SDOUT1, SCLK1, SDA1, CS, SCLK2, SDA2
Input HIGH Level
Input LOW Level
Output HIGH Level
BACKUP BATTERY CHARGER
USB POWER CONTROL
PARAMETER
PARAMETER
PARAMETER
PARAMETER
A
A
A
A
= -40°C to +85ºC; Typical values are at T
= -40°C to +85ºC; Typical values are at T
= -40°C to +85ºC; Typical values are at T
= -40°C to +85ºC; Typical values are at T
SYMBOL
V
V
SYMBOL
SYMBOL
SYMBOL
V
I
I
R
V
BCH_HYST
I
BCH_LIM
BCH_LIM
BCH_DET
SYSVDD
V
USBVDD
USB_SW
I
USBVDD
V
R
R
V
EOC
V
V
V
BCH
V
V
OH
OH
OL
PU
PD
IH
IH
IL
IL
BKUP_CHG_VLIM = 0
BKUP_CHG_VLIM = 1
BKUP_CHG_MODE = 1
BKUP_CHG_MODE = 0
Set by BKUP_CHG_ILIM
V
USB_ILIM = 010
USB_ILIM = 011 or greater
USB_ILIM = 010
USB_ILIM = 011
USB_ILIM = 100
USB_ILIM = 101
USB_ILIM = 110
USB_ILIM = 111
SYSVDD
TEST CONDITIONS
TEST CONDITIONS
TEST CONDITIONS
TEST CONDITIONS
– V
BCH
A
A
A
A
≥ 250mV
= +25ºC
= +25ºC
= +25ºC
= +25ºC
MIN
2.7
-30
MIN
MIN
MIN
4.3
CHG_V
BKUP_
100 to
50mV
TYP
LIM-
1.05
1343
1609
400
TYP
TYP
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TYP
TBD
TBD
TBD
2.5
3.1
230
454
805
496
96
91
10
5
PP, December 2009, Rev 3.0
MAX
MAX
1500
1800
MAX
MAX
+30
5.5
100
500
900
550
5.5
WM8311
UNIT
UNIT
UNIT
UNIT
mΩ
μA
μA
mA
mA
%
kΩ
kΩ
μs
V
V
V
V
V
V
V
V
V
V
V
V
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