STM32WB55RGQ7ATR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55RGQ7ATR

Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5 and 802.15.4 radio solution

STMicroelectronics 

STM32WB55xx STM32WB35xx

Electrical characteristics

Figure 17. Power supply scheme (UFBGA129 and WLCSP100 packages)

1 x 100 nF

1.55 to 3.6 V

VDD_DCAPx(2)

VSS_DCAPx(2)

VBAT

VDD

n x VDD

1 x 4.7 μF

GPIOs

Power switch

Regulator

VDDIO1

OUT

IN

Backup circuitry

(LSE, RTC and

backup registers)

VCORE

Kernel logic

IO (CPU, digital

logic and memories

n x VSS

VDDA

VDDA

VREF

10 nF + 1 μF

100 nF 1 μF

VSSA

VDD

VDDSMPS

ADCs

VREF+ OPAMPs

VREF- COMPs

VREFBUF

SSMMPSS

4.7 μF

L1(1)

4.7 μF

VDD

100 nF

VDD

100 nF

+ 100 pF

VLXSMPS

VFBSMPS

VSSSMPS

VDDUSB

VDDRF

VSSRF

USB

transceiver

Radio

Regulator

MS53132V2

1. The value of L1 depends upon the frequency, as indicated in Table 6.

2. sFiomrpUliFfyBtGheA122-l9aypearcbkoaagredVlaDyDo_uDt aCnAdPexsapnedciaVlSlySt_hDe CgrAoPuxndbaplllasnaerebecolonwnethceteBdGtoAV.DD and VSS internally, to

VlaDyDerp. oTwheerdseucpopulpylicnagn1b0e0mnFadceapwaitchitaorssinagreleccoonnnneecctetiodnwtiothtohuet

center of the BGA on the

cutting the board ground

board

plane.

bottom

DS11929 Rev 10

83/193

169

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