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U4
how would i get ic1 to connect to a tp4056 and dw01a charging circuit
kkonline

kkonline

@copilot how would i get ic1 to connect to a tp4056 and dw01a charging circuit
1y

copilot

To connect the MAX17043G+T (IC1) with the TP4056 and DW01A in a charging circuit for a single-cell lithium-ion battery, you can follow these steps. The MAX17043G+T is a fuel gauge IC that operates over an I²C interface. Let's assume you want to enable battery monitoring with your charging circuitry.
TP4056 Connections:
  1. Power Supply:
  2. Battery Connection:
  3. Programming Current:
DW01A Connections:
  1. Power Pins:
  2. Control Connections:
MAX17043G+T Connections:
  1. Power Connections:
  2. I²C Interface:
    • Connect SCL and SDA to your microcontroller or host device for communication.
By connecting these ICs, you create a system where the TP4056 circuit is responsible for charging, the DW01A provides safety and overcharge protection, and the MAX17043G+T monitors battery capacity with an I²C output for processor interfacing. Make sure your connections match your schematic design for component-level integration.
Would you like more specific guidance or additional features for this integration?
1y
kkonline

kkonline

does ic1 need any capacitors or resistors ?
1y

copilot

Yes, the MAX17043G+T (IC1) typically requires a few external components to function properly:
Capacitors:
  1. Decoupling Capacitors:
    • It's common to place a 0.1 µF capacitor (such as C1) close to the VDD pin to stabilize the power supply and filter out noise. Connect:
Resistors:
  1. Pull-up Resistors for I²C Lines:
    • The I²C communication lines (SCL and SDA) typically require pull-up resistors to the power rail to ensure the lines are at a high potential when not actively driven low. The resistor values are often between 2.2 kΩ and 10 kΩ, depending on the bus capacitance and speed. You might consider including these as R6 and R7, based on typical design practices.
Do you need help sourcing these additional components, or would you like further explanation on the placement and role of these components in your circuit?
1y

copilot

Great! It sounds like you're on track. If you have any more questions or need further assistance as you integrate the MAX17043G+T into your circuit, feel free to ask. Happy designing with Flux!
1y
kkonline

kkonline

what is cell qstart and alrt on ic1
1y

copilot

The MAX17043G+TMAX17043G+T includes pins for CELL, QSTRT, and ~ALRT, which are used as follows:
CELL Pin
  • Function: The CELL pin is used to measure the battery voltage. Since the MAX17043 is typically configured to monitor single-cell lithium-ion batteries, this pin directly connects to the positive terminal (or line) of the single-cell battery.
QSTRT Pin
  • Function: The Quick-Start (QSTRT) pin is used to initiate a quick start, which forces the internal sense resistor measurements to restart, recalibrating the fuel gauge. This can be useful after a significant change in battery load or during initial power-up to ensure accurate fuel gauge measurements.
~ALRT Pin
  • Function: The Alert (~ALRT) pin is an active-low interrupt output. It signals the host microcontroller when the battery state crosses predefined thresholds, such as low charge or overvoltage. This pin allows the microcontroller to take appropriate actions like notifying the user or adjusting power consumption.
These pins help integrate the MAX17043G+TMAX17043G+T into a more complex system for better battery management and monitoring. Would you like more detailed integration information or example use cases?
1y
kkonline

kkonline

so right now where should i connect cell ?
1y

copilot

To connect the MAX17043G+T CELL pin in your existing circuit, you should connect it to the positive terminal of your battery. This allows the IC to accurately measure the battery voltage.
Here is how you should make the connection:
  • Connect IC1:CELL\text{IC1}:\text{CELL} to BAT:PIN1\text{BAT}:\text{PIN1}.
This connection allows the fuel gauge IC to monitor the battery voltage directly, providing accurate state-of-charge information.
If you have further questions about integrating this or any adjustments you'd like to make, feel free to ask!
1y
4
whats ctg on cell 1
kkonline

kkonline

@copilot whats ctg on cell 1
1y

copilot

The MAX17043G+T is a fuel gauge IC that uses a proprietary "ModelGauge" algorithm to monitor the state-of-charge (SOC) of a battery. In this context:
  • CTG (Coulomb Counter Gate): This pin is typically used in advanced fuel gauge ICs for control or configuration purposes related to the coulomb counting mechanism, which measures the charge flow in or out of the battery.
However, this pin's exact function can vary based on the specific design or configuration. For the MAX17043G+T, the datasheet would provide detailed information on the usage and functionalities associated with the CTG pin. If you have a specific application or need more details, let me know!
1y
kkonline

kkonline

so right now is ic1 integrated properly with my existing circuit ?
1y

copilot

Let's take a look at how IC1\text{IC1} (the MAX17043G+T in your circuit) is connected with other components:
Here are the notable connections for IC1\text{IC1}:
  • Pin 3 (VDD): Connected to multiple components on Net 8\text{Net 8}, including the battery. This is where the IC receives power, so it must be connected to the appropriate voltage level.
  • Pin 4 (GND): Connected to the main ground Net\text{Net}, which is expected.
  • Pin 2 (CELL): Also connected to Net 8\text{Net 8}, the same as VDD, which seems correct if it is intended to monitor the battery connected to this net.
  • Pins 7 (SCL) and 8 (SDA): These are typically used for I2C communication. However, there is no information about their connection in the provided information.
  • Pin 5 (~ALRT): This pin is used for alert outputs, but there is no information about its connection in the provided information.
  • Pin 1 (CTG): You asked about it earlier, and there is no clear connection mentioned for this pin.
  • Pin 6 (QSTRT): There is no information about this pin's connection.
For full integration:
  • Ensure I2C lines (SCL and SDA) are connected to a host microcontroller or the circuit that requires communication with the fuel gauge.
  • If you have specific functions for ~ALRT or CTG, connect those pins to the appropriate circuit elements or microcontroller inputs.
The current connections seem mostly appropriate for power and basic operation, but the communication and alert functionalities need consideration. If you have any specific requirements or function of IC1\text{IC1} you want to ensure, feel free to let me know!
1y
5
U1
U2
R2
Resistance
1kΩ
U3
R4
Resistance
1kΩ
GND
VIN
C1
Capacitance
100nF
R1
Resistance
1kΩ
D1
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
    jharwinbarrozo
    15.8k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliant
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10 µF 16 V Aluminum - Polymer Capacitors Radial, Can - SMD 30mOhm 2000 Hrs @ 105°C #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric)
    jharwinbarrozo
    1.1M

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