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EG1615

Public Made by Adom

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EG Micro New Arrivals, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

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EG1615

EG Micro · New Arrivals · LQFP-64(10x10)

EG1615 from EG Micro, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 TXD2 output UART2 serial data transmit output.
2 HVPWM1 output Push-pull PWM1 output for the transformer high-voltage side H-bridge.
3 LVPWMEN input Low-side H-bridge PWM enable; 1 starts LVPWMx output, 0 turns it off.
4 HVPWM2 output Push-pull PWM2 output for the transformer high-voltage side H-bridge.
5 HVPWMEN input High-side H-bridge PWM enable; 1 starts HVPWMx output, 0 turns it off.
6 SWDAT input Firmware upgrade data.
7 SWCLK output Firmware upgrade clock.
8 RXD2 input UART2 serial data receive input; must not float, needs a pull-up such as 10K to 3.3V.
9 Beep output Buzzer alarm output, active high.
10 LVPWM1 output Push-pull PWM1 output for the transformer low-voltage side H-bridge.
11 LVPWM2 output Push-pull PWM2 output for the transformer low-voltage side H-bridge.
12 RXD1 input UART1 serial data receive input; must not float, needs a pull-up such as 10K to 3.3V.
13 TXD1 output UART1 serial data transmit output.
14 SWHLD_OUT output On/off latch signal output for push-button switch applications.
15 GND power_in Chip ground.
16 VDD3 power_in Chip +3.3V supply (2.4V to 3.6V).
17 FAN_OUT output Fan control output, active high.
18 OSCIN input 8M crystal oscillator pin 1.
19 OSCOUT output 8M crystal oscillator pin 2.
20 NRST input Chip reset, active low.
21 VSSA power_in Analog section ground.
22 VDDA power_in Analog section +3.3V supply.
23 SDLIN1 input Driver 1 low-side MOSFET peak current protection input with 200mV internal reference.
24 COM1 power_in Driver 1 power ground.
25 LO1 output Driver 1 low-side gate drive output.
26 VDD12 power_in Driver 1 power supply, input range 10V to 20V.
27 NC unconnected No connection, left empty for high-voltage isolation.
28 NC unconnected No connection, left empty for high-voltage isolation.
29 SDHIN1 input Driver high-side MOSFET peak current protection input with 200mV internal reference (datasheet text says driver 2 but pin belongs to driver 1).
30 VS1 output Driver 1 high-side floating supply return output.
31 HO1 output Driver 1 high-side gate drive output.
32 VB1 power_in Driver 1 floating supply, needs external 10uF bootstrap capacitor.
33 SD1 input Driver 1 SD control input.
34 LIN1 input Driver 1 low-side control input, turns the low-side power MOSFET on/off.
35 HIN1 input Driver 1 high-side control input, turns the high-side power MOSFET on/off.
36 DT0 input Dead-time select bit 0 with DT1: 00=500nS, 01=700nS, 10=1.0uS, 11=1.5uS.
37 DT1 input Dead-time select bit 1 with DT0: 00=500nS, 01=700nS, 10=1.0uS, 11=1.5uS.
38 BATUV input Battery undervoltage detection; alarm at BATUV<1.65V, shutdown at BATUV<1.6V.
39 BATOV/CV input Battery overvoltage detection and charge constant-voltage input; alarm and shutdown at >2.5V, CV reference 2.4V.
40 IFB_HV input Transformer high-voltage side current feedback; >0.1V fan on, >0.6V overcurrent shutdown.
41 TFB1_DC input Temperature sense; <1.15V output off, >1.28V output restored.
42 VFB_HDC input High-voltage side DC voltage feedback via optocoupler; output off when VFB>3V.
43 IFB_BAT input Battery side current feedback input.
44 SW_VIN input On/off key voltage detection input (>1V is a key press).
45 SDLIN2 input Driver 2 low-side MOSFET peak current protection input with 200mV internal reference.
46 COM2 power_in Driver 2 power ground.
47 LO2 output Driver 2 low-side gate drive output.
48 VDD12 power_in Driver 2 power supply, input range 10V to 20V.
49 SDHIN2 input Driver 2 high-side MOSFET peak current protection input with 200mV internal reference.
50 VS2 output Driver 2 high-side floating supply return output.
51 HO2 output Driver 2 high-side gate drive output.
52 VB2 power_in Driver 2 floating supply, needs external 10uF bootstrap capacitor.
53 NC unconnected No connection, left empty for high-voltage isolation.
54 NC unconnected No connection, left empty for high-voltage isolation.
55 SD2 input SD control input (datasheet text says driver 1, but it is SD2 for driver 2).
56 LIN2 input Driver 2 low-side control input, turns the low-side power MOSFET on/off.
57 HIN2 input Driver 2 high-side control input, turns the high-side power MOSFET on/off.
58 LEDG output Run LED indicator output.
59 LEDR output Fault LED indicator output.
60 CHGON_IN input Charge (buck) mode enable signal input.
61 BRK_SD input Short-circuit protection input.
62 CHG_ISET input Charge current setting; 0-3.3V input.
63 Test_Mode input Mode select, 0 normal, 1 test with open-loop PWM; must not float, tie to GND when unused.
64 FADJ input PWM frequency adjust; 0-3.3V corresponds to 40kHz-150kHz.

Key specifications

Parameter Value
Manufacturer EG Micro
Package LQFP-64(10x10)
Category Others
Pins 64

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VDD3/VDDA supply voltage VDD3, VDDA 2.4 3.3 3.6 V TA=25℃, OSC=8MHz 15
Driver supply voltage VDD12 10 12 18 V TA=25℃, OSC=8MHz 15
High-side driver supply VB-VS VB1-VS1, VB2-VS2 10 12 18 V VB relative to VS 15
VDD12 quiescent current Ivdd12 1 1.5 mA VDD12=12V 15
VDD quiescent current Ivdd3 + Ivdda 5 20 mA VDD=3.3V 15
SD logic control input voltage SD1, SD2 0 5 V relative to GND 15
IO output source current capability IO+ 1.8 2 A 15
IO output sink current capability IO- 2 2.5 A 15
High-side current comparator internal reference SDHIN1, SDHIN2 200 mV relative to VS 15
Low-side current comparator internal reference SDLIN1, SDLIN2 200 mV relative to COM 15
Peak feedback reference voltage VFB_HDC 3 V printed >3.0 15
Battery undervoltage protection BATUV 1.6 V printed <1.6 15
Battery overvoltage protection BATOV/CV 2.5 V printed >2.5 15
Current protection reference voltage IFB_HV 0.6 V printed >0.6 15
Overcurrent detection delay 10 mS 15
Fan turn-on voltage 0.1 V printed >0.1 15
Power key voltage detection SW_VIN 1 V printed >1 15
Overtemperature protection value TFB1_DC 1.15 V printed <1.15 15
Overtemperature protection exit value TFB1_DC 1.28 V printed >1.28 15
Fan turn-on value TFB1_DC 2.3 V printed <2.3 15
VDD3, VDDA supply voltage VDD3, VDDA -0.3 4 V relative to GND, TA=25℃ 14
VDD12 driver supply voltage VDD12 -0.3 20 V VDD_12V pin relative to GND 14
Bootstrap high-side VB supply VB1, VB2 -0.3 600 V 14
High-side supply VS VS1, VS2 -20 0.3 V printed VB-20 to VB+0.3; values are offsets from VB 14
High-side driver output HO HO1, HO2 -0.3 0.3 V printed VS-0.3 to VB+0.3; offsets 14
Low-side driver output LO LO1, LO2 -0.3 V printed -0.3 to VDD12 14
High-side SD comparator positive input SDHIN1, SDHIN2 -0.3 5 V printed VS-0.3 to VS+5; offsets from VS 14
Low-side SD comparator positive input SDLIN1, SDLIN2 -0.3 5.5 V 14
SD logic control input SD1, SD2 -0.3 5.5 V 14
High channel logic input HIN1, HIN2 -0.3 V printed -0.3 to VDD12 14
Low channel logic input LIN1, LIN2 -0.3 V printed -0.3 to VDD12 14
General I/O voltage I/O -0.3 4 V general I/O pin relative to GND 14
Max output sink current Isink 25 mA 14
Max output source current Isource -25 mA 14
Ambient temperature TA -40 105 ℃ 14
Storage temperature Tstr -65 125 ℃ 14

CAD (KiCad official)

  • Symbol: EG1615
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: eg1615-etched.step / eg1615-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); eg1615.step / eg1615.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: EG Micro datasheet (37 pp, sha256 c2ba5ad4cbbf2c56, retrieved 2026-10-26, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF