ElecSuper DW01
1.
DW01 is a high-precision voltage detection and delay circuit designed for single-cell lithium-ion/lithium-polymer rechargeable battery protection. It monitors battery voltage and current to provide protection against over-charge, over-discharge, and over-current conditions.
2.
- High-precision voltage detection:
- Over-charge detection voltage: 4.280V
- Over-charge recovery voltage: 4.080V
- Over-discharge detection voltage: 2.400V
- Over-discharge recovery voltage: 3.000V
- Discharge over-current detection function:
- Over-current detection voltage: 0.150V
- Short-circuit detection voltage: 1.000V
- Charging over-current detection voltage: -0.150V
- Load detection function
- Charger detection function
- 0V charging function
- Self-recovery function for over-discharge
- Low current consumption:
- Operating mode: 1.5 uA (typical) (Ta = +25C)
- Over-discharge current consumption (with self-recovery): 0.7 uA (typical) (Ta = +25C)
- Lead-free, halogen-free.
3.
Lithium-ion rechargeable batteries
Brand
Brand
ElecSuper
Certifications
Lead-free, Halogen-free
Package Type
SOT-23-6L
Packaging
Reel
Quantity per Reel
3,000
Reel Diameter
7 inches
4.
| Model | Package | Marking | Packaging | Quantity per Reel | Reel Diameter |
|---|---|---|---|---|---|
| DW01 | SOT-23-6L | .DW01 | Reel | 3,000 | 7 inches |
5.
| Product Name | Over-charge Protection Voltage (VOC) | Over-charge Release Voltage (VOCR) | Over-discharge Protection Voltage (VOD) | Over-discharge Release Voltage (VODR) | Discharge Over-current (VEC1) | Short Circuit (VSHORT) | Charging Over-current (VCHA) | Over-charge Lock | Over-discharge Lock |
|---|---|---|---|---|---|---|---|---|---|
| DW01 | 4.280 V | 4.080 V | 2.400 V | 3.000 V | 0.150 V | 1.000 V | -0.150 V | Y | N |
6.
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | DO | Discharge MOSFET control terminal |
| 2 | VM | Charge/discharge current detection terminal |
| 3 | CO | Charge MOSFET control terminal |
| 4 | NC | Not Connected |
| 5 | VCC | Power input terminal, connected to the positive terminal of the power supply (battery) |
| 6 | VSS | Power ground terminal, connected to the negative terminal of the power supply (battery) |
7.
| Item | Symbol | Applicable Terminals | Absolute Maximum Rating | Unit |
|---|---|---|---|---|
| Supply Voltage | VCC | VCC | -0.3 ~ 6 | V |
| VM Terminal Input Voltage | VM | VM | VCC-15 to VCC+0.3 | V |
| Operating Ambient Temperature | TOPR | - | -40 ~ 85 | C |
| Storage Temperature | TSTG | - | -55 ~ 125 | C |
8. (Unless otherwise specified: Ta =25C)
| Item | Symbol | Test Condition | Min | Typical | Max | Unit |
|---|---|---|---|---|---|---|
| Chip Supply Voltage | VCC | 1.0 | - | 5.5 | V | |
| Normal Operating Current | IVCC | VCC=3.5V | - | 1.5 | 5.0 | A |
| Over-discharge Consumption Current | IOPED | VCC =1.5V | - | 0.7 | 1.5 | A |
| Over-charge Protection Voltage | VOC | VCC =3.54.5V | 4.230 | 4.280 | 4.330 | V |
| Over-charge Release Voltage | VOCR | VCC =4.53.5V | 4.030 | 4.080 | 4.130 | V |
| Protection Delay (Over-charge) | TOC | VCC =3.54.5V | 80 | 160 | - | ms |
| Over-discharge Protection Voltage | VOD | VC5=3.52.0V | 2.300 | 2.400 | 2.500 | V |
| Over-discharge Release Voltage | VODR | VCC =2.03.5V | 2.900 | 3.000 | 3.100 | V |
| Protection Delay (Over-discharge) | TOD | VCC =3.52.0V | 40 | 80 | - | ms |
| Discharge Over-current Protection Voltage | VEC | VM-VSS=00.20V | 0.120 | 0.150 | 0.180 | V |
| Protection Delay (Discharge Over-current) | TEC | VM-VSS=00.20V | 10 | 20 | - | ms |
| Charging Over-current Protection Voltage | VCHA | VSS-VM=00.30V | -0.180 | -0.150 | -0.120 | V |
| Protection Delay (Charging Over-current) | TCHA | VSS-VM=00.30V | 10 | 20 | - | ms |
| Short Circuit Protection Voltage | VSHORT | VM -VSS=01.5V | 0.700 | 1.000 | 1.300 | V |
| Protection Delay (Short Circuit) | TSHORT | VM -VSS=01.5V | 300 | 600 | - | s |
| 0V Charging Initiating Voltage | V0VCH | Allows charging 0V battery | 1.2 | - | - | V |
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