Datasheet

NXP Semiconductors
88W8977
2.4 GHz/5 GHz Dual-band 1x1 Wi-Fi 4
®
and Bluetooth
®
5 Combo SoC
88W8977 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
Product short data sheet Rev. 1 — 13 July 2020
28 / 81
5.2.2 Configuration—Internal LDO supplies VCORE
• LDO_VOUT supplies VCORE
• PMIC_EN ramps up from Host 3.3V or Host GPIO pin
• AVDD18 supplies PDn (follow AVDD18; PDn connected to 1.8V supply)
• PMIC supplies the external VPA and AVDD18/LDO_VIN power supply pins
• The host (1.8V/3.3V) supplies the external VIO/VIO_REF power supply pins
2.2V VPA
1.8V
AVDD18/PDn/LDO_VIN
88W8977
PMIC
EN (PMIC_EN)
3.3V/
Power-Down from Host
GPIO
1.8V/3.3V (from GPIOs) DVSC[1:0]
VIO/VIO_RF
1.8V/3.3V
Host
VIN
VCORE
LDO_VOUT
1.05V
Figure 7. Configuration—VCORE from Internal LDO
[1]
[1] A minimum time of 100 ms is required after PMIC_EN is deasserted (=0) and before it is asserted (=1).