BCM88335 Datasheet, PDF (23/140 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 for Automotive Applications

BCM88335 Data Sheet
PMU Features
Figure 3 shows the regulators and a typical power topology.
Figure 3: Typical Power Topology for the BCM88335
Shaded areas are internal to the BCM 89335
WL_REG_ON
BT_REG_ON
VBAT
VDDIO
Core Buck
Regulator
CBUCK
Peak 600 mA
Average 275 mA
LPLDO1
1.1V
3 mA
1.35V
Internal LNLDO
1.2V
80 mA
Internal LNLDO
1.2V
80 mA
Internal VCOLDO 1.2V
80 mA
Internal LNLDO
1.2V
80 mA
XTAL LDO
1.2V
30 mA
LNLDO
1.2V
100 mA
CLDO
Peak 300 mA
Average 175 mA
(Bypass in deep
sleep)
1.2V– 1.1V
BTLDO2P5
Peak 70 mA
Average 15 mA
VDDIO
2.5V
LDO3P3
3.3V
Peak 800–450 mA
Average 200 mA
WL RF – AFE
WL RF – TX (2.4 GHz, 5 GHz)
WL RF – LOGEN (2.4 GHz, 5 GHz)
WL RF – RX/LNA (2.4 GHz, 5 GHz)
WL RF – XTAL
WL RF – RFPLL PFD/MMD
BT RF
DFE/DFLL
PLL/RXTX
WLAN BBPLL/DFLL
WLAN/BT/CLB/Top, always on
MEMLPLDO
3 mA
Internal LNLDO
25 mA
Internal LNLDO
8 mA
WL OTP
WL PHY
WL DIGITAL
BT DIGITAL
WL/BT SRAMs
0.9V
BT CLASS 1 PA
WL PA/PAD (2.4 GHz, 5 GHz)
VDDIO_RF
WL OTP 3.3V
WL RF – VCO
WL RF – CP
Broadcom^®
September 23, 2015 • 88335-DS100-R
BROADCOM CONFIDENTIAL
Page 22