nPM1300 PMIC

Nordic Thingy:91 X Hardware

The nPM1300 Power Management Integrated Circuit (PMIC) is the main power management Integrated Circuit (IC) on the Nordic Thingy:91 X™. It supplies all the main power domains and charges the battery.

The following table describes the supply domains of the nPM1300 PMIC.

Table 1. nPM1300 PMIC's supply domains
nPM1300 PMIC output Supply domain Domain voltage
VSYS 3.2–5.0 V
VOUT1
  • VDD and VDDIO supply to on-board sensors
  • External flash VDD
  • Supply to nRF5340 System on Chip (SoC) VDD
  • Supply to nRF9151 SiP VDD_GPIO
  • Supply for nRF7002 Wi-Fi® 6 companion IC IOVDD
 1.8 V
VOUT2
  • Supply for external circuits connected to the expansion board connector or the current measurement and debug board
  • Supply for LED1 and LED2
  • Supply for GNSS LNA and Wi-Fi/BLE RF front-end switch
 3.3 V
LSOUT1 Load switch 1, enables and disables the nPM6001 PMIC 3.2–5.0 V
LSOUT2 Load switch 2, enables and disables sensor power domain 1.8 V

The following figure describes the circuitry of the nPM1300 PMIC.

Figure 1. nPM1300 PMIC circuitry
V S Y S _ S W nP M60_E NAB L E S H P H LD C52 10 µ F C53 10 µ F V S E T 1 DNM C49 10 µ F S W1 S W2 V S E T 2 P V S S 1 P V S S 1 P V S S 2 L7 2.2 µ H L8 2.2 µ H P V S S 2 Net t i e Net t i e C79 100nF C46 1.0 µ F C47 10 µ F C48 10 µ F V B A T NT C V S Y S V B US V B US OU T R 7 47k R 8 330k 1. 8 V 3. 3 V C51 2.2 µ F C50 1.0 µ F nPM1300 V B US 21 V S Y S 20 V B A T 19 A V S S 33 V B US OU T 22 LE D0 25 LE D1 26 LE D2 27 CC1 23 CC2 24 NT C 18 S H P H LD 15 GP IO0 7 GP IO1 8 GP IO2 9 GP IO3 10 GP IO4 11 V DDIO 12 S CL 14 S D A 13 P V DD 4 S W1 3 V OUT 1 1 V S E T 1 17 S W2 5 V OUT 2 32 V S E T 2 16 P V S S 1 2 P V S S 2 6 LS IN1/V INLDO1 28 LS OUT 1/V OUT LDO1 29 LS IN2/V INLDO2 30 LS OUT 2/V OUT LDO2 31 U11 nP M1300-QE AAC0 T P 19 I2C S D A S CL I2C 3V 3 S H P H LD 1V 8 1V 8 CC2 CC1 CC P MIC_CC CC1 CC2 B UT T ON nP M60_R E AD Y S CL S D A R G B LE D3 LE D R GB V S Y S LD3_G LD3_R 1V 8_S W 1V 8_S W V DD_S E NS R F F E _B LE _WIF I_E NA B L E nP M1300_INT INT 2 INT 3 INT 1 INT 4 INT INT E R R U P T CH G_LE D E R R _LE D LD3_B R 30 1M0 C58 1.0nF C9 1.0nF P V S S 1 C74 1.0nF P V S S 2 DNM C94 10 µ F F B 3 B LM21AG102S N1D C95 100pF 1V 8_IND DNM C96 10 µ F F B 4 B LM21AG102S N1D C97 100pF 3V 3_IND F B 5 B LM21AG102S N1D C98 100pF