Circuit configuration 1 for CSP47 (CAAA)

nRF54L15 | nRF54L10 | nRF54L05 Datasheet

Table 3. Circuit configurations
Config no. Supply configuration Enabled features
VDD NFC
Config 1 DCDC: supplied by battery or external supply No
Figure 2. Circuit configuration 1 schematic

0201 FB1 0402 L1 4.7µH XTAL_1612 X2 32MHz P1.00/XL1 P1.01/XL2 X C1 XC2 P1.03/NFC2 SWDCLK SWDIO VDD_nRF P1.02/NFC1 VDD_nRF P1.08 P1.04/AIN0 P1.05/AIN1 P1.06/AIN2 P1.07/AIN3 P2.00 P2.01 P2.02 P2.03 P2.04 P2.05 P2.06 P2.07 P2.08 P2.09 P2.10 P0.00 P0.01 P0.02 P0.03 P0.04 NRESET P1.13 P1.14 0201 C8 100n F 0201 C1 2.2µF 0201 C2 2.2µF Optional 0201 C11 100nF 0402 C10 10µF 0201 C12 10nF DE CA XTAL_2012 X1 32.768kHz DECD DCC ANT D1 XC1 A1 XC2 A2 SWDIO F2 VDD G3 DECA A4 DECD A5 VSS A6 DCC A7 SWDCLK E3 RESET D2 VSS_PA C2 VDD B7 VSS G4 DECRF B1 U1A nRF54L15-CAAA P0.02 E2 P0.03/CK E1 P0.04/CK D3 P0.00 G1 P0.01 F1 U1B nRF54L15-CAAA P1.00/XL1 C5 P1.08/EXTREF/CLK16M/CK F7 P1.01/XL2 C6 P1.02/NFC1 C7 P1.03/NFC2/CK D5 P1.04/AIN0/CK D6 P1.05/AIN1 E6 P1.06/AIN2 D7 P1.07/AIN3 E7 P1.10 C3 P1.11/AIN4/CK C4 P1.12/AIN5/CK A3 P1.13/AIN6 B4 P1.14/AIN7 B5 P1.09 B3 P1.15 B6 U1C nRF54L15-CAAA P1.15 P2.00 G6 P2.01/CK G7 P2.02 F6 P2.03 E5 P2.04 F5 P2.05 G5 P2.06/CK F4 P2.07/SWO E4 P2.08 D4 P2.09 F3 P2.10 G2 U1D nRF54L15-CAAA RF 0201 L2 4.7nH 0201 C5 3.9pF 0201 C6 1.2pF 0201 L3 4.7nH 0201 L4 2.0nH 0201 C9 1.2pF 0201 C13 2.2µF 0201 FB2 DECRF
Note: For PCB reference layouts, see the product page for the device on www.nordicsemi.com.
Table 4. Bill of material for circuit configuration 1
Designator Value Description Footprint
C1, C2, C13 2.2 µF Capacitor, X6T, ±20%, 2.5 V 0201
C5 N.C. Not mounted 0201
C6, C9 1.2 pF Capacitor, NP0, ±0.05 pF, 50 V 0201
C8, C11 100 nF Capacitor, X7R, ±10% 0201
C10 10 µF Capacitor, X6S, ±20%, 6.3 V 0402
C12 N.C. Not mounted 0201
FB1, FB2 120 Ω Ferrite bead, 120 Ω at 100 MHz, 200 mA, 500 mΩ Max 0201
L1 4.7 µH Inductor, 300 mA, ±20%, 1.08 Ω 0402
L2, L3 4.7 nH Inductor, 400 mA, ±3%, 250 mΩ 0201
L4 2.0 nH Inductor, 600 mA, ±0.1 nH, 120 mΩ 0201
U1 nRF54L15-CAAA Multiprotocol Bluetooth Low Energy, IEEE 802.15.4, and 2.4GHz proprietary System on Chip CSP47
X1 32.768 kHz Crystal SMD 2012, 32.768 kHz, Cl = 9 pF, Total tol: ±20 ppm XTAL_2012
X2 32 MHz Crystal SMD 1612, 32 MHz, Cl = 8 pF, Total Tol: ±40 ppm, Aging ±1 ppm/year. For frequency tolerance requirements, see 32 MHz crystal oscillator (HFXO). XTAL_1612