Datasheet

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Iset = 890/Riset = 890mA
Iterm = 0.03 * Rterm/Riset = 14.1mA
Tmr = 480 * Rtmr/1k = 264 mins = 4.4 hrs
if floating 5 hrs
Ilim = 1610/Rilim = 1073mA
https://makerdiary.com
VBUS
VDD_NRF
VBAT
VBAT
VSYS
VSYS
VDD_3V3
VDD_NRF
VDD_3V3VSYS
VDD_NRF
VBAT
VIN VSYS_IN
NRF_USB_DP 3
NRF_USB_DM 3
BAT_VSENSE_PIN 3
BAT_CHRG_PIN 3
BAT_PGOOD_PIN 3
Title
Size Document Number Rev
Date: Sheet of
<Doc> V1.0
Power Supply
A4
2 5Monday, August 05, 2019
Title
Size Document Number Rev
Date: Sheet of
<Doc> V1.0
Power Supply
A4
2 5Monday, August 05, 2019
Title
Size Document Number Rev
Date: Sheet of
<Doc> V1.0
Power Supply
A4
2 5Monday, August 05, 2019
R7 1.5K_0402
C61 4.7uF_16V_0603
R33 470R_0402
U1
BATTERY CHARGER
CHRG
9
EN2
5
BAT1
2
EN1
6
IN
13
PGOOD
7
TS
1
OUT1
11
VSS
8
ILIM
12
BAT2
3
OUT2
10
CE
4
TMR
14
ITERM
15
ISET
16
TPAD
17
D3 ES0402V014CT D2 ES0402V014CT
R15 0R_0402
D1 ES0402V014CT
R9 1.0K_0402
R5
10K_0402
R18 220K_0402
R6
1.5K_0402
C5 10uF_0805
D6
DIODE
C6 10uF_0805
R2 33R_0402
C3
10uF_0805
C7
10nF_0402
R19
1M_0402
R17 1M_0402
R16
1M_0402
U2
DC-DC
VIN
3
FB
1
GND
2
OUT
6
EN
5
SW
4
R4 5.1K_0402
D4
Green_0603
R3 5.1K_0402
C60 10uF_0805
R32 470R_0402
C1 1.0uF_0402
R34 100K_0402
C2 100nF_0402
J2
CONN RCPT 2+2
1
2
3
4
TP5
TP10
R1 33R_0402
R14 100K_0402
J1
USB TYPE C 16PIN
VBUS
A4B9
VBUS
B4A9
DN1
A7
DN2
B7
DP1
A6
DP2
B6
SBU1
A8
SBU2
B8
GND
A1B12
GND
B1A12
CC1
A5
CC2
B5
SHIELD1
S1
SHIELD2
S2
SHIELD3
S3
SHIELD4
S4
R11 100K_0402
C4
10uF_0805
Q1
P-MOS
R10 33K_0402 R8 470R_0402
J8
WTB-1.25MM-3P_DNP
1
2
3
4
5
TP6
L1 1uH_2520
USB_DM
USB_DP
NTC
NTC