SWCS045B
– SEPTEMBER 2010 – REVISED JUNE 2011
Table 2 presents the ball description of the TWL60340 device.
Figure 2 shows the ball mapping from the top
view.
Table 2. Ball Description
CONNECTION IF
NAME
BALL
TYPE
I/O (1)
DESCRIPTION
PU/PD(2)
NOT USED
CHARGER
Switched charger auxiliary power supply,
CHRG_AUXPWR
E6
Analog
I
connected to the battery pack to provide power in
Ground
–
high-impedance mode
Switched charger boot-strapped capacitor for the
CHRG_BOOT
G2
Analog
O
Floating
–
high-side MOSFET gate driver
CHRG_CSIN
E4
Analog
I
Switched charger current-sense input
Ground
Switched charger battery voltage/current sense
CHRG_CSOUT
D4
Analog
I
Ground
input
USB charging port detection signal from USB
CHRG_DET_N
E5
Analog
I
Ground
PHY
CHRG_EXTCHRG_EN
J7
Digital
O
Output control signal to an external VAC charger
Floating
Z
Floating or tied to
CHRG_EXTCHRG_ST
VRTC (fixed
*PU
H7
Digital
I
External charger status input pin
ATZ
internal pullup to
70
–190 kΩ
VRTC)
CHRG_LED_IN
D6
Power
I
LED indicator input supply
Ground
External LED driver output/dedicated charger
CHRG_LED_TEST
D5
Analog
I/O
Ground or floating
TEST ball
CHRG_PGND_B1
A5
CHRG_PGND_B2
A6
Ground
I
Switched charger power ground
Ground
–
CHRG_PGND_B3
B6
CHRG_PGND_B4
B5
CHRG_PMID_B1
E1
Switched charger connection point between
CHRG_PMID_B2
F1
Analog
O
reverse blocking MOSFET and high-side
Floating
–
CHRG_PMID_B3
E2
switching MOSFET
CHRG_PMID_B4
F2
CHRG_SW_B1
A3
CHRG_SW_B2
A4
Switched charger internal switch to output
Power
O
Floating
–
inductor connection
CHRG_SW_B3
B4
CHRG_SW_B4
B3
CHRG_VREF
F5
Analog
O
Switched charger internal bias regulator voltage
Floating
–
Ground (if not
VAC
F4
Power
Input supply from an external VAC charger
–
used in BBS)
VBUS_B1
C1
Ground (Must be
connected to
VBUS_B2
D1
VBUS if VBUS
VBUS input voltage, USB battery charger power
VBUS_B3
C2
Power
I/O
detection from
–
supply
PMIC is needed;
for example, for
VBUS_B4
D2
USB bootupt)
POWER SUPPLIES
(1)
I = Input; O = Output
(2)
PU/PD shows the pullup/down resistors on digital input lines. An asterisk indicates the default option.
Copyright
2010–2011, Texas Instruments Incorporated
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