BCM43455 Datasheet, PDF (25/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
Figure 3 and Figure 4 on page 25 show the regulators and a typical power topology.
Figure 3: Typical Power Topology (Page 1 of 2)
BCM43455 PMU Features
BCM43455
Shaded areas are internal to the device.
VBAT
WL_REG_ON
BT_REG_ON
GND
CORE BUCK
REGULATOR
CBUCK
Max 600 mA
Avg 170 mA
1.35V
2.2 µH
0806
0603
4.7 µF
0402
0.1
0µ2F01
VDDIO
LPLDO1
3 mA
1.1V
Power switch
No power switch
Internal LNLDO
80 mA
1.2V
Internal LNLDO ^1.2V
10 mA
Internal VCOLDO ^1.2V
80 mA
Internal LNLDO
80 mA
1.2V
Internal LNLDO ^1.2V
10 mA
XTAL LDO
30 mA
1.2V
LNLDO
100 mA
1 µF
0402
1.2V
2.2 µF
0402
PCIe LDO
Max 55 mA
Avg 35 mA
(bypass/off in
deep sleep)
1.2V
0.47 µF
0201
CLDO
Max 200 mA
Avg 80 mA
(bypass in
deep sleep)
1.3V- 1.2V- 0.95V
(AVS)
4.7 µF
0402
WL RF - TX MIXER and PA (not all versions)
WL RF - LOGEN
WL RF – LNA
WL RF – AFE and TIA
WL RF – TX
WL RF – ADC REF
WL RF – XTAL
WL RF – RFPLL PFD and MMD
BT RF
PCIE PLL, RXTX
WL BBPLL/DFLL
WLAN/BT/CLB/Top, Always ON
WL OTP
WL PHY
WL Subcore
WL VDDM (SRAMs + AOS)
BT VDDM
BT Digital
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 24