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UM2777 Datasheet(PDF) 28 Page - STMicroelectronics |
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UM2777 Datasheet(HTML) 28 Page - STMicroelectronics |
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28 / 44 page ![]() 6 Schematic diagrams Figure 33. STEVAL-STWINKT1B schematic (1 of 7) 2.7 V Analog LDO 5 V_USB SW_SEL ESDALC6V1-1U2 C22 TP2 EN 10uF CON2 1 EN B2 U16 DCDC_1 OTG_FS_DP DCDC_1 R12 VBat IN2 F5 TH 1 R13 USB-MICRO 3 SW1_OA 100k R15 1M E3 VOUT D1 1 OUT C23 3V3_LDO 20K NC2 D3 A3 E1 TH 1 OTG_FS_DM F4 C4 BATMS C2 USB CHG E1 C5 SYS1 LDK130PU-R 6 IN IN1 E5 3V3 150mA. SW2_I F2 E4 4 EN 5V 4 DCDC_1 C_EN 3V3_SD_485 R23 BAT_NTC F3 SW1_I VIN BAT_NTC 47.5K 4.7uF 2k TH 1 SYS 3 D2 CHRG RESET_NOW CEN B1 C1 VIN STBC02AJR LDO 3 EXT 5V 3.3V DC-DC NC C3 V_USB 5V 100k A4 ISET D4 IPRE SYS 56K 22uF DCDC_1 ADJ A3 R11 RST_PENDING A1 2k VOUT D1 U18 3V3_Ext SW_SEL R17 6 D4 PWR 1 E1 PGOOD GND D2 Battery Connector A1 D0 Battery management DCDC_2_EN 3V3 400 mA 3V3 400mA. (4.2 V -> 3 V) Battery monitor 3 R22 C15 VBat BUTTON_PWR 20K C27 SW2_OA F1 D4 2 DCDC_1 L2 2.2uH A1 D0 C1 B2 R21 0R VBUS 4 D3 C21 10uF R10 BAT2 B5 D5 SYS2 R20 C20 1uF NC SB17 100k J5 SB23 0R TP7 C1 1 1 5 SB22 2 C25 10uF R16 C12 10uF C18 VBat D1 ST1PS01EJR SW SW2_OB SW_SEL uC_ADC_BATT SB12 0R DCDC_2 USBLC6-2P6 2 GND 1uF PGOOD LED_C Red 2 C3 2 2 1 DCDC_2 R18 J4 2 STRIP254P-M-2 U10 DCDC_1 BUTTON_PWR TP3 VBat E3 SW1_OB C3 E3 nRESET E2 100mA 10mA TP1 R19 0R U15 2V7A PGOOD GND D2 22uF R14 B2 ST1PS01EJR SW D1 1 3 100nF 1 2 C24 BATT L1 2.2uH NC 4 BAT1 A5 A2 SYS D2 WAKEUP 100K U14 1uF V_USB BATMS NC (10k ) BATMS B3 BATSNS NTC D1 DCDC_1 1 C26 BATSNSFV |
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