| Battery Charging Family |
SMB137B |
SMB136 |
SMB328A/B |
SMB338P |
SMB329B |
SMB135 |
SMB239 |
| Topology |
Switch-mode |
Switch-mode |
Switch-mode |
Switch-mode |
Switch-mode |
Switch-mode |
Linear-mode |
| Input Voltage Range (V)* |
4.35 to 6.2 (18) |
4.35 to 6.2 (18) |
4.0 to 7.0 (20) |
4.35 to 6.2 (18) |
4.35 to 6.2 (20) |
4.35 to 6.5 (10) |
4.35 to 6.5 (10) |
| # of Inputs/Outputs |
2/2 |
1/2 |
1/1 |
1/1 |
1/1 |
1/1 |
1/1 |
| Maximum Charge Current (mA) |
1500 |
1500 |
1200 |
1250 |
1150 |
900 |
525 |
| Maximum Input Current (mA) |
1400 |
1400 |
1200 |
1250 |
1150 |
NA |
NA |
| TurboCharge™ Output |
Automatic |
Automatic |
Automatic |
Automatic |
Automatic |
Software/uC |
|
| CurrentPath™ Control |
• |
• |
|
|
|
|
|
| USB On-The-Go Power |
• |
• |
• |
• |
• |
|
|
| Instant-On System Boot |
|
|
• |
|
• |
|
|
| Charge Current Voltage Output |
|
|
• |
|
• |
|
|
| Low-Battery Recovery Mode |
• |
• |
|
|
|
|
|
| I2C Interface |
• |
• |
• |
• |
• |
• |
• |
| Programmable Float Voltage |
• |
• |
• |
• |
• |
• |
• |
| Programmable Charge/Term. Current |
• |
• |
• |
• |
• |
• |
• |
| Programmable Input Current Limit |
• |
• |
• |
• |
• |
|
|
| Input/Battery OV/UV |
• |
• |
• |
• |
• |
• |
• |
| Hardware Safety Timer |
• |
• |
• |
• |
• |
• |
• |
| Software Watchdog Timer |
• |
• |
• |
• |
• |
|
|
| Battery Thermal Protection |
• |
• |
• |
|
• |
• |
• |
| Automatic Input Current Limit |
• |
• |
• |
• |
• |
|
|
| Automatic Power Source Detection ** |
• |
• |
|
|
• |
|
|
| IC Thermal Protection |
• |
• |
• |
• |
• |
• |
• |
| JEITA Support |
SW |
SW |
SW+HW |
|
|
|
|
| Package |
3.0x2.5 CSP-30 |
3.0x2.5 CSP-30 |
2.2x2.0 CSP-20 |
2.1x1.9 CSP-20 |
2.2x1.9 CSP-20 4x4 QFN-24 |
2.1x1.3 CSP-15
5x5 QFN-32 |
2.1x1.3 CSP-8 |
* () Indicates overvoltage "holdoff"
tolerance
**
Per USB Battery Charging Specification 1.0 |
