
silergy
A pin-compatible substitute with identical key electrical parameters, including voltage, current, and switching frequency.
BL8032GCB6TR is a popular 18V, 2A synchronous buck converter in a SOT23-6 package. Several alternatives exist, including pin-compatible options, but require careful review of switching frequency and control loop characteristics for a successful substitution.
SOT23-6 is a standard package with good availability.
Even with matching specs, subtle differences in loop compensation or transient response can exist. Mismatched frequency or Vref is a high risk.
Yes, the Silergy SM8102ABC appears to be a direct, pin-to-pin replacement, but in-circuit validation is always recommended to confirm performance.
The Silergy SM8102ABC is the most promising path for a direct replacement due to matching pinout and key electrical parameters.
The primary risk when substituting DC-DC converters is a mismatch in switching frequency or control loop dynamics, which can lead to instability, incorrect output voltage, or damage to the circuit.

silergy
A pin-compatible substitute with identical key electrical parameters, including voltage, current, and switching frequency.
| Feature / factor | BL8032GCB6TR | SM8102ABC | TP8204HS6 | TMI3342 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT23-6 | SOT23-6 | SOT23-6 | SOT23-6 | SOT23-6 — Identical package and pin count.; TP8204HS6: Identical package and pin count.; TMI3342: Identical package and pin count.; TMI3244T: Identical package and pin count. |
| Pinout | Pin-to-pin | Pin-to-pin | Pin-to-pin | Pin-to-pin | Pin-to-pin — Datasheet confirms identical pin assignments.; TP8204HS6: Datasheet confirms identical pin assignments.; TMI3342: Datasheet confirms identical pin assignments.; TMI3244T: Datasheet confirms identical pin assignments. |
| Voltage | 4.5V - 18V | 4.2V - 18V | 3.5V - 18V | 4.5V - 30V | 4.2V - 18V / 3.5V - 18V / 4.5V - 30V — Candidate input voltage range fully covers target's.; TP8204HS6: Wider input range is compatible.; TMI3342: Wider input range is compatible. |
| Current | 2.0A | 2.0A | 2.0A | - | 2.0A / 4.0A — Output current matches.; TP8204HS6: Output current matches.; TMI3244T: Higher output current capability. |
| Switching Frequency | 500kHz | 500kHz | 600kHz | 370kHz | 500kHz / 600kHz / 370kHz / 550kHz — Switching frequency matches, simplifying substitution.; TP8204HS6: Requires review of external components (inductor, capacitors).; TMI3342: Requires review of external components (inductor, capacitors).; TMI3244T: Requires review of external components. |
| Control Mode | PWM | - | - | COT | COT — Different control scheme affects transient response and ripple. |
| Reference Voltage | 0.8V | - | - | - | 0.765V — Requires recalculation of feedback resistors. |
The Silergy SM8102ABC is a strong candidate, offering a pin-compatible layout with identical key electrical specifications like input voltage, output current, and switching frequency, making it the most likely drop-in replacement.