CYW4343X
Table 22. WLBGA Signal Descriptions (Cont.)
Signal Name
WLBGA Ball
Type
Description
Integrated Voltage Regulators
SR_VDDBAT5V
SR_VLX
B7
I
SR VBAT input power supply
A6
O
CBUCK switching regulator output. See Table 42 on
page 107 for details of the inductor and capacitor
required on this output.
LDO_VDDBAT5V
LDO_VDD1P5
VOUT_LNLDO
VOUT_CLDO
F7
C7
D6
C6
I
LDO VBAT
I
LNLDO input
O
O
Output of low-noise LNLDO
Output of core LDO
Bluetooth Power Supplies
BT_PAVDD
H1
G1
F2
F1
I
I
I
I
Bluetooth PA power supply
BT_IF_VDD
Bluetooth IF block power supply
Bluetooth RF PLL power supply
Bluetooth RF power supply
BTFM_PLL_VDD
BT_VCO_VDD
Document No. 002-14797 Rev. *H
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