| Part Number | BQ20Z45DBT-R1 | BQ20Z65DBT-R1 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Battery Management | PMIC - Battery Management | 
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| Product Status | Not For New Designs | Active | 
| Function | Multi-Function Controller | Multi-Function Controller | 
| Battery Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | 
| Number of Cells | 2 ~ 4 | 2 ~ 4 | 
| Fault Protection | Over Current, Over Temperature, Over/Under Voltage, Short Circuit | Over Current, Over Temperature, Over/Under Voltage, Short Circuit | 
| Interface | - | SMBus | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) | 44-TFSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 38-TSSOP | 44-TSSOP |